aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/beam/erl_driver.h5
-rw-r--r--erts/emulator/beam/global.h2
-rw-r--r--erts/emulator/beam/io.c27
-rw-r--r--erts/emulator/drivers/common/inet_drv.c89
-rw-r--r--erts/emulator/hipe/hipe_arm_bifs.m473
-rw-r--r--erts/emulator/hipe/hipe_arm_glue.S41
-rw-r--r--erts/emulator/sys/unix/erl_child_setup.c13
-rw-r--r--erts/emulator/sys/unix/sys.c60
8 files changed, 241 insertions, 69 deletions
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h
index f9938fc66c..e498ac70ec 100644
--- a/erts/emulator/beam/erl_driver.h
+++ b/erts/emulator/beam/erl_driver.h
@@ -133,7 +133,7 @@ typedef struct {
#define ERL_DRV_EXTENDED_MARKER (0xfeeeeeed)
#define ERL_DRV_EXTENDED_MAJOR_VERSION 3
-#define ERL_DRV_EXTENDED_MINOR_VERSION 1
+#define ERL_DRV_EXTENDED_MINOR_VERSION 2
/*
* The emulator will refuse to load a driver with a major version
@@ -361,6 +361,9 @@ typedef struct erl_drv_entry {
/* Called on behalf of driver_select when
it is safe to release 'event'. A typical
unix driver would call close(event) */
+ void (*emergency_close)(ErlDrvData drv_data);
+ /* called when the port is closed abruptly.
+ specifically when erl_crash_dump is called. */
/* When adding entries here, dont forget to pad in obsolete/driver.h */
} ErlDrvEntry;
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 891046a8b5..32a2dc43e8 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -160,6 +160,7 @@ struct erts_driver_t_ {
void (*ready_async)(ErlDrvData drv_data, ErlDrvThreadData thread_data); /* Might be NULL */
void (*process_exit)(ErlDrvData drv_data, ErlDrvMonitor *monitor);
void (*stop_select)(ErlDrvEvent event, void*); /* Might be NULL */
+ void (*emergency_close)(ErlDrvData drv_data); /* Might be NULL */
};
extern erts_driver_t *driver_list;
@@ -852,6 +853,7 @@ Uint erts_port_ioq_size(Port *pp);
void erts_stale_drv_select(Eterm, ErlDrvPort, ErlDrvEvent, int, int);
Port *erts_get_heart_port(void);
+void erts_emergency_close_ports(void);
#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_COUNT)
void erts_lcnt_enable_io_lock_count(int enable);
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 9ae973e108..012a7d1a4b 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -7349,6 +7349,8 @@ no_stop_select_callback(ErlDrvEvent event, void* private)
erts_send_error_to_logger_nogl(dsbufp);
}
+#define IS_DRIVER_VERSION_GE(DE,MAJOR,MINOR) \
+ ((DE)->major_version >= (MAJOR) && (DE)->minor_version >= (MINOR))
static int
init_driver(erts_driver_t *drv, ErlDrvEntry *de, DE_Handle *handle)
@@ -7396,6 +7398,7 @@ init_driver(erts_driver_t *drv, ErlDrvEntry *de, DE_Handle *handle)
drv->timeout = de->timeout ? de->timeout : no_timeout_callback;
drv->ready_async = de->ready_async;
drv->process_exit = de->process_exit;
+ drv->emergency_close = IS_DRIVER_VERSION_GE(de,3,2) ? de->emergency_close : NULL;
if (de->stop_select)
drv->stop_select = de->stop_select;
else
@@ -7414,6 +7417,8 @@ init_driver(erts_driver_t *drv, ErlDrvEntry *de, DE_Handle *handle)
}
}
+#undef IS_DRIVER_VERSION_GE
+
void
erts_destroy_driver(erts_driver_t *drv)
{
@@ -7557,7 +7562,7 @@ Port *erts_get_heart_port(void)
if (!port)
continue;
/* only examine undead or alive ports */
- if (erts_atomic32_read_nob(&port->state) & ERTS_PORT_SFLGS_DEAD)
+ if (erts_atomic32_read_nob(&port->state) & ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP)
continue;
/* immediate atom compare */
reg = port->common.u.alive.reg;
@@ -7568,3 +7573,23 @@ Port *erts_get_heart_port(void)
return NULL;
}
+
+void erts_emergency_close_ports(void)
+{
+ int ix, max = erts_ptab_max(&erts_port);
+
+ for (ix = 0; ix < max; ix++) {
+ Port *port = erts_pix2port(ix);
+
+ if (!port)
+ continue;
+ /* only examine undead or alive ports */
+ if (erts_atomic32_read_nob(&port->state) & ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP)
+ continue;
+
+ /* emergency close socket */
+ if (port->drv_ptr->emergency_close) {
+ port->drv_ptr->emergency_close((ErlDrvData) port->drv_data);
+ }
+ }
+}
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index 3fe5dac813..3c6922eb8e 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -268,14 +268,13 @@ static BOOL (WINAPI *fpSetHandleInformation)(HANDLE,DWORD,DWORD);
#define sock_htonl(x) htonl((x))
#define sock_send(s,buf,len,flag) send((s),(buf),(len),(flag))
#define sock_sendv(s, vec, size, np, flag) \
- WSASend((s),(WSABUF*)(vec),\
- (size),(np),(flag),NULL,NULL)
+ WSASend((s),(WSABUF*)(vec),(size),(np),(flag),NULL,NULL)
#define sock_recv(s,buf,len,flag) recv((s),(buf),(len),(flag))
#define sock_recvfrom(s,buf,blen,flag,addr,alen) \
- recvfrom((s),(buf),(blen),(flag),(addr),(alen))
+ recvfrom((s),(buf),(blen),(flag),(addr),(alen))
#define sock_sendto(s,buf,blen,flag,addr,alen) \
- sendto((s),(buf),(blen),(flag),(addr),(alen))
+ sendto((s),(buf),(blen),(flag),(addr),(alen))
#define sock_hostname(buf, len) gethostname((buf), (len))
#define sock_getservbyname(name,proto) getservbyname((name),(proto))
@@ -360,9 +359,9 @@ static ssize_t writev_fallback(int fd, const struct iovec *iov, int iovcnt, int
#define sock_accept(s, addr, len) accept((s), (addr), (len))
#define sock_send(s,buf,len,flag) inet_send((s),(buf),(len),(flag))
#define sock_sendto(s,buf,blen,flag,addr,alen) \
- sendto((s),(buf),(blen),(flag),(addr),(alen))
+ sendto((s),(buf),(blen),(flag),(addr),(alen))
#define sock_sendv(s, vec, size, np, flag) \
- (*(np) = writev_fallback((s), (struct iovec*)(vec), (size), (*(np))))
+ (*(np) = writev_fallback((s), (struct iovec*)(vec), (size), (*(np))))
#define sock_sendmsg(s,msghdr,flag) sendmsg((s),(msghdr),(flag))
#define sock_open(af, type, proto) socket((af), (type), (proto))
@@ -1178,6 +1177,7 @@ static ErlDrvSSizeT tcp_inet_ctl(ErlDrvData, unsigned int,
static void tcp_inet_timeout(ErlDrvData);
static void tcp_inet_process_exit(ErlDrvData, ErlDrvMonitor *);
static void inet_stop_select(ErlDrvEvent, void*);
+static void inet_emergency_close(ErlDrvData);
#ifdef __WIN32__
static void tcp_inet_event(ErlDrvData, ErlDrvEvent);
static void find_dynamic_functions(void);
@@ -1288,7 +1288,8 @@ static struct erl_drv_entry tcp_inet_driver_entry =
ERL_DRV_FLAG_USE_PORT_LOCKING|ERL_DRV_FLAG_SOFT_BUSY,
NULL,
tcp_inet_process_exit,
- inet_stop_select
+ inet_stop_select,
+ inet_emergency_close
};
@@ -1341,7 +1342,8 @@ static struct erl_drv_entry udp_inet_driver_entry =
ERL_DRV_FLAG_USE_PORT_LOCKING,
NULL,
NULL,
- inet_stop_select
+ inet_stop_select,
+ inet_emergency_close
};
#endif
@@ -1375,7 +1377,8 @@ static struct erl_drv_entry sctp_inet_driver_entry =
ERL_DRV_FLAG_USE_PORT_LOCKING,
NULL,
NULL, /* process_exit */
- inet_stop_select
+ inet_stop_select,
+ inet_emergency_close
};
#endif
@@ -1421,7 +1424,7 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event);
static int packet_inet_output(udp_descriptor* udesc, HANDLE event);
#endif
-/* convert descriptor poiner to inet_descriptor pointer */
+/* convert descriptor pointer to inet_descriptor pointer */
#define INETP(d) (&(d)->inet)
#ifdef __OSE__
@@ -4727,6 +4730,36 @@ static char* sockaddr_to_buf(struct sockaddr* addr, char* ptr, char* end)
return NULL;
}
+/* sockaddr_bufsz_need
+ * Returns the number of bytes needed to store the information
+ * through sockaddr_to_buf
+ */
+
+static size_t sockaddr_bufsz_need(struct sockaddr* addr)
+{
+ if (addr->sa_family == AF_INET || addr->sa_family == 0) {
+ return 1 + sizeof(struct in_addr);
+ }
+#if defined(HAVE_IN6) && defined(AF_INET6)
+ else if (addr->sa_family == AF_INET6) {
+ return 1 + sizeof(struct in6_addr);
+ }
+#endif
+#if defined(AF_LINK)
+ if (addr->sa_family == AF_LINK) {
+ struct sockaddr_dl *sdl_p = (struct sockaddr_dl*) addr;
+ return 2 + sdl_p->sdl_alen;
+ }
+#endif
+#if defined(AF_PACKET) && defined(HAVE_NETPACKET_PACKET_H)
+ else if(addr->sa_family == AF_PACKET) {
+ struct sockaddr_ll *sll_p = (struct sockaddr_ll*) addr;
+ return 2 + sll_p->sll_halen;
+ }
+#endif
+ return 0;
+}
+
static char* buf_to_sockaddr(char* ptr, char* end, struct sockaddr* addr)
{
buf_check(ptr,end,1);
@@ -5805,6 +5838,11 @@ done:
}
#elif defined(HAVE_GETIFADDRS)
+#ifdef DEBUG
+#define GETIFADDRS_BUFSZ (1)
+#else
+#define GETIFADDRS_BUFSZ (512)
+#endif
static ErlDrvSSizeT inet_ctl_getifaddrs(inet_descriptor* desc_p,
char **rbuf_pp, ErlDrvSizeT rsize)
@@ -5815,15 +5853,15 @@ static ErlDrvSSizeT inet_ctl_getifaddrs(inet_descriptor* desc_p,
char *buf_p;
char *buf_alloc_p;
- buf_size = 512;
- buf_alloc_p = ALLOC(buf_size);
+ buf_size = GETIFADDRS_BUFSZ;
+ buf_alloc_p = ALLOC(GETIFADDRS_BUFSZ);
buf_p = buf_alloc_p;
# define BUF_ENSURE(Size) \
do { \
int NEED_, GOT_ = buf_p - buf_alloc_p; \
NEED_ = GOT_ + (Size); \
if (NEED_ > buf_size) { \
- buf_size = NEED_ + 512; \
+ buf_size = NEED_ + GETIFADDRS_BUFSZ; \
buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \
buf_p = buf_alloc_p + GOT_; \
} \
@@ -5836,7 +5874,7 @@ static ErlDrvSSizeT inet_ctl_getifaddrs(inet_descriptor* desc_p,
while (! (P_ = sockaddr_to_buf((sa), buf_p, \
buf_alloc_p+buf_size))) { \
int GOT_ = buf_p - buf_alloc_p; \
- buf_size += 512; \
+ buf_size += GETIFADDRS_BUFSZ; \
buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \
buf_p = buf_alloc_p + GOT_; \
} \
@@ -5893,10 +5931,11 @@ static ErlDrvSSizeT inet_ctl_getifaddrs(inet_descriptor* desc_p,
|| ifa_p->ifa_addr->sa_family == AF_PACKET
#endif
) {
- char *bp = buf_p;
- BUF_ENSURE(1);
- SOCKADDR_TO_BUF(INET_IFOPT_HWADDR, ifa_p->ifa_addr);
- if (buf_p - bp < 4) buf_p = bp; /* Empty hwaddr */
+ size_t need = sockaddr_bufsz_need(ifa_p->ifa_addr);
+ if (need > 3) {
+ BUF_ENSURE(1 + need);
+ SOCKADDR_TO_BUF(INET_IFOPT_HWADDR, ifa_p->ifa_addr);
+ }
}
#endif
}
@@ -5911,6 +5950,7 @@ static ErlDrvSSizeT inet_ctl_getifaddrs(inet_descriptor* desc_p,
return buf_size;
# undef BUF_ENSURE
}
+#undef GETIFADDRS_BUFSZ
#else
@@ -8215,6 +8255,19 @@ static void inet_stop(inet_descriptor* desc)
FREE(desc);
}
+static void inet_emergency_close(ErlDrvData data)
+{
+ /* valid for any (UDP, TCP or SCTP) descriptor */
+ tcp_descriptor* tcp_desc = (tcp_descriptor*)data;
+ inet_descriptor* desc = INETP(tcp_desc);
+ DEBUGF(("inet_emergency_close(%ld) {s=%d\r\n",
+ (long)desc->port, desc->s));
+ if (desc->s != INVALID_SOCKET) {
+ sock_close(desc->s);
+ }
+}
+
+
static void set_default_msgq_limits(ErlDrvPort port)
{
ErlDrvSizeT q_high = INET_HIGH_MSGQ_WATERMARK;
diff --git a/erts/emulator/hipe/hipe_arm_bifs.m4 b/erts/emulator/hipe/hipe_arm_bifs.m4
index bd8bc5ab6b..3ca9a1bcdb 100644
--- a/erts/emulator/hipe/hipe_arm_bifs.m4
+++ b/erts/emulator/hipe/hipe_arm_bifs.m4
@@ -25,6 +25,7 @@ include(`hipe/hipe_arm_asm.m4')
.text
.p2align 2
+ .arm
`#if defined(ERTS_ENABLE_LOCK_CHECK) && defined(ERTS_SMP)
# define CALL_BIF(F) ldr r14, =F; str r14, [r0, #P_BIF_CALLEE]; bl hipe_debug_bif_wrapper
@@ -391,7 +392,14 @@ $1:
mov r0, P
/* Perform a quick save;call;restore;ret sequence. */
+#ifdef __thumb__
+ SAVE_CONTEXT_QUICK
+ bl $2
+ RESTORE_CONTEXT_QUICK
+ NBIF_RET(0)
+#else
QUICK_CALL_RET($2,0)
+#endif
.size $1, .-$1
.type $1, %function
#endif')
@@ -407,7 +415,14 @@ $1:
NBIF_ARG(r1,1,0)
/* Perform a quick save;call;restore;ret sequence. */
+#ifdef __thumb__
+ SAVE_CONTEXT_QUICK
+ bl $2
+ RESTORE_CONTEXT_QUICK
+ NBIF_RET(1)
+#else
QUICK_CALL_RET($2,1)
+#endif
.size $1, .-$1
.type $1, %function
#endif')
@@ -424,7 +439,14 @@ $1:
NBIF_ARG(r2,2,1)
/* Perform a quick save;call;restore;ret sequence. */
+#ifdef __thumb__
+ SAVE_CONTEXT_QUICK
+ bl $2
+ RESTORE_CONTEXT_QUICK
+ NBIF_RET(2)
+#else
QUICK_CALL_RET($2,2)
+#endif
.size $1, .-$1
.type $1, %function
#endif')
@@ -442,7 +464,14 @@ $1:
NBIF_ARG(r3,3,2)
/* Perform a quick save;call;restore;ret sequence. */
+#ifdef __thumb__
+ SAVE_CONTEXT_QUICK
+ bl $2
+ RESTORE_CONTEXT_QUICK
+ NBIF_RET(3)
+#else
QUICK_CALL_RET($2,3)
+#endif
.size $1, .-$1
.type $1, %function
#endif')
@@ -466,7 +495,14 @@ $1:
NBIF_ARG(r3,5,2)
/* Perform a quick save;call;restore;ret sequence. */
+#ifdef __thumb__
+ SAVE_CONTEXT_QUICK
+ bl $2
+ RESTORE_CONTEXT_QUICK
+ NBIF_RET(5)
+#else
QUICK_CALL_RET($2,5)
+#endif
.size $1, .-$1
.type $1, %function
#endif')
@@ -488,9 +524,16 @@ define(noproc_primop_interface_0,
#`define' HAVE_$1
.global $1
$1:
- /* XXX: this case is always trivial; how to suppress the branch? */
/* Perform a quick save;call;restore;ret sequence. */
+#ifdef __thumb__
+ SAVE_CONTEXT_QUICK
+ bl $2
+ RESTORE_CONTEXT_QUICK
+ NBIF_RET(0)
+#else
+ /* XXX: this case is always trivial; how to suppress the branch? */
QUICK_CALL_RET($2,0)
+#endif
.size $1, .-$1
.type $1, %function
#endif')
@@ -505,7 +548,14 @@ $1:
NBIF_ARG(r0,1,0)
/* Perform a quick save;call;restore;ret sequence. */
+#ifdef __thumb__
+ SAVE_CONTEXT_QUICK
+ bl $2
+ RESTORE_CONTEXT_QUICK
+ NBIF_RET(1)
+#else
QUICK_CALL_RET($2,1)
+#endif
.size $1, .-$1
.type $1, %function
#endif')
@@ -521,7 +571,14 @@ $1:
NBIF_ARG(r1,2,1)
/* Perform a quick save;call;restore;ret sequence. */
+#ifdef __thumb__
+ SAVE_CONTEXT_QUICK
+ bl $2
+ RESTORE_CONTEXT_QUICK
+ NBIF_RET(2)
+#else
QUICK_CALL_RET($2,2)
+#endif
.size $1, .-$1
.type $1, %function
#endif')
@@ -538,7 +595,14 @@ $1:
NBIF_ARG(r2,3,2)
/* Perform a quick save;call;restore;ret sequence. */
+#ifdef __thumb__
+ SAVE_CONTEXT_QUICK
+ bl $2
+ RESTORE_CONTEXT_QUICK
+ NBIF_RET(3)
+#else
QUICK_CALL_RET($2,3)
+#endif
.size $1, .-$1
.type $1, %function
#endif')
@@ -558,7 +622,14 @@ $1:
str r4, [sp, #0]
/* Perform a quick save;call;restore;ret sequence. */
+#ifdef __thumb__
+ SAVE_CONTEXT_QUICK
+ bl $2
+ RESTORE_CONTEXT_QUICK
+ NBIF_RET(5)
+#else
QUICK_CALL_RET($2,5)
+#endif
.size $1, .-$1
.type $1, %function
#endif')
diff --git a/erts/emulator/hipe/hipe_arm_glue.S b/erts/emulator/hipe/hipe_arm_glue.S
index 2e2b8604a6..5723afac12 100644
--- a/erts/emulator/hipe/hipe_arm_glue.S
+++ b/erts/emulator/hipe/hipe_arm_glue.S
@@ -25,6 +25,7 @@
.text
.p2align 2
+ .arm
/*
* Enter Erlang from C.
@@ -70,6 +71,7 @@
* Emulated code recursively calls native code.
*/
.global hipe_arm_call_to_native
+ .type hipe_arm_call_to_native, %function
hipe_arm_call_to_native:
ENTER_FROM_C
/* get argument registers */
@@ -85,6 +87,7 @@ hipe_arm_call_to_native:
* This is where native code returns to emulated code.
*/
.global nbif_return
+ .type nbif_return, %function
nbif_return:
str r0, [P, #P_ARG0] /* save retval */
mov r0, #HIPE_MODE_SWITCH_RES_RETURN
@@ -95,6 +98,7 @@ nbif_return:
* Emulated code returns to its native code caller.
*/
.global hipe_arm_return_to_native
+ .type hipe_arm_return_to_native, %function
hipe_arm_return_to_native:
ENTER_FROM_C
/* get return value */
@@ -111,6 +115,7 @@ hipe_arm_return_to_native:
* Emulated code tailcalls native code.
*/
.global hipe_arm_tailcall_to_native
+ .type hipe_arm_tailcall_to_native, %function
hipe_arm_tailcall_to_native:
ENTER_FROM_C
/* get argument registers */
@@ -125,6 +130,7 @@ hipe_arm_tailcall_to_native:
* Emulated code throws an exception to its native code caller.
*/
.global hipe_arm_throw_to_native
+ .type hipe_arm_throw_to_native, %function
hipe_arm_throw_to_native:
ENTER_FROM_C
/* invoke the handler */
@@ -142,6 +148,7 @@ hipe_arm_throw_to_native:
* XXX: Different stubs for different number of register parameters?
*/
.global nbif_callemu
+ .type nbif_callemu, %function
nbif_callemu:
str r8, [P, #P_BEAM_IP]
str r0, [P, #P_ARITY]
@@ -153,6 +160,7 @@ nbif_callemu:
* nbif_apply
*/
.global nbif_apply
+ .type nbif_apply, %function
nbif_apply:
STORE_ARG_REGS
mov r0, #HIPE_MODE_SWITCH_RES_APPLY
@@ -169,6 +177,7 @@ nbif_apply:
*/
#if NR_ARG_REGS >= 6
.global nbif_ccallemu6
+ .type nbif_ccallemu6, %function
nbif_ccallemu6:
str ARG5, [P, #P_ARG5]
#if NR_ARG_REGS > 6
@@ -181,6 +190,7 @@ nbif_ccallemu6:
#if NR_ARG_REGS >= 5
.global nbif_ccallemu5
+ .type nbif_ccallemu5, %function
nbif_ccallemu5:
str ARG4, [P, #P_ARG4]
#if NR_ARG_REGS > 5
@@ -193,6 +203,7 @@ nbif_ccallemu5:
#if NR_ARG_REGS >= 4
.global nbif_ccallemu4
+ .type nbif_ccallemu4, %function
nbif_ccallemu4:
str ARG3, [P, #P_ARG3]
#if NR_ARG_REGS > 4
@@ -205,6 +216,7 @@ nbif_ccallemu4:
#if NR_ARG_REGS >= 3
.global nbif_ccallemu3
+ .type nbif_ccallemu3, %function
nbif_ccallemu3:
str ARG2, [P, #P_ARG2]
#if NR_ARG_REGS > 3
@@ -217,6 +229,7 @@ nbif_ccallemu3:
#if NR_ARG_REGS >= 2
.global nbif_ccallemu2
+ .type nbif_ccallemu2, %function
nbif_ccallemu2:
str ARG1, [P, #P_ARG1]
#if NR_ARG_REGS > 2
@@ -229,6 +242,7 @@ nbif_ccallemu2:
#if NR_ARG_REGS >= 1
.global nbif_ccallemu1
+ .type nbif_ccallemu1, %function
nbif_ccallemu1:
str ARG0, [P, #P_ARG0]
#if NR_ARG_REGS > 1
@@ -240,6 +254,7 @@ nbif_ccallemu1:
#endif
.global nbif_ccallemu0
+ .type nbif_ccallemu0, %function
nbif_ccallemu0:
/* We use r1 not ARG0 here because ARG0 is not
defined when NR_ARG_REGS == 0. */
@@ -254,6 +269,7 @@ nbif_ccallemu0:
* This is where native code suspends.
*/
.global nbif_suspend_0
+ .type nbif_suspend_0, %function
nbif_suspend_0:
mov r0, #HIPE_MODE_SWITCH_RES_SUSPEND
b .suspend_exit
@@ -262,6 +278,7 @@ nbif_suspend_0:
* Suspend from a receive (waiting for a message)
*/
.global nbif_suspend_msg
+ .type nbif_suspend_msg, %function
nbif_suspend_msg:
mov r0, #HIPE_MODE_SWITCH_RES_WAIT
b .suspend_exit
@@ -272,6 +289,7 @@ nbif_suspend_msg:
* else { return 0; }
*/
.global nbif_suspend_msg_timeout
+ .type nbif_suspend_msg_timeout, %function
nbif_suspend_msg_timeout:
ldr r1, [P, #P_FLAGS]
mov r0, #HIPE_MODE_SWITCH_RES_WAIT_TIMEOUT
@@ -286,23 +304,31 @@ nbif_suspend_msg_timeout:
* This is the default exception handler for native code.
*/
.global nbif_fail
+ .type nbif_fail, %function
nbif_fail:
mov r0, #HIPE_MODE_SWITCH_RES_THROW
b .flush_exit /* no need to save RA */
.global nbif_0_gc_after_bif
- .global nbif_1_gc_after_bif
- .global nbif_2_gc_after_bif
- .global nbif_3_gc_after_bif
+ .type nbif_0_gc_after_bif, %function
nbif_0_gc_after_bif:
mov r1, #0
b .gc_after_bif
+
+ .global nbif_1_gc_after_bif
+ .type nbif_1_gc_after_bif, %function
nbif_1_gc_after_bif:
mov r1, #1
b .gc_after_bif
+
+ .global nbif_2_gc_after_bif
+ .type nbif_2_gc_after_bif, %function
nbif_2_gc_after_bif:
mov r1, #2
b .gc_after_bif
+
+ .global nbif_3_gc_after_bif
+ .type nbif_3_gc_after_bif, %function
nbif_3_gc_after_bif:
mov r1, #3
/*FALLTHROUGH*/
@@ -330,18 +356,25 @@ nbif_3_gc_after_bif:
* TEMP_LR contains a copy of LR
*/
.global nbif_0_simple_exception
+ .type nbif_0_simple_exception, %function
nbif_0_simple_exception:
mov r1, #0
b .nbif_simple_exception
+
.global nbif_1_simple_exception
+ .type nbif_1_simple_exception, %function
nbif_1_simple_exception:
mov r1, #1
b .nbif_simple_exception
+
.global nbif_2_simple_exception
+ .type nbif_2_simple_exception, %function
nbif_2_simple_exception:
mov r1, #2
b .nbif_simple_exception
+
.global nbif_3_simple_exception
+ .type nbif_3_simple_exception, %function
nbif_3_simple_exception:
mov r1, #3
/*FALLTHROUGH*/
@@ -385,6 +418,7 @@ nbif_3_simple_exception:
* the gray/white stack boundary
*/
.global nbif_stack_trap_ra
+ .type nbif_stack_trap_ra, %function
nbif_stack_trap_ra: /* a return address, not a function */
# This only handles a single return value.
# If we have more, we need to save them in the PCB.
@@ -401,6 +435,7 @@ nbif_stack_trap_ra: /* a return address, not a function */
* Caller saved its LR in TEMP_LR (== TEMP1) before calling us.
*/
.global hipe_arm_inc_stack
+ .type hipe_arm_inc_stack, %function
hipe_arm_inc_stack:
STORE_ARG_REGS
mov TEMP_ARG0, lr
diff --git a/erts/emulator/sys/unix/erl_child_setup.c b/erts/emulator/sys/unix/erl_child_setup.c
index 94eb6b1547..5ad92dad02 100644
--- a/erts/emulator/sys/unix/erl_child_setup.c
+++ b/erts/emulator/sys/unix/erl_child_setup.c
@@ -101,7 +101,9 @@ main(int argc, char *argv[])
if (sscanf(argv[CS_ARGV_FD_CR_IX], "%d:%d", &from, &to) != 2)
return 1;
-#if defined(__ANDROID__)
+#if defined(HAVE_CLOSEFROM)
+ closefrom(from);
+#elif defined(__ANDROID__)
for (i = from; i <= to; i++) {
if (i!=__system_properties_fd)
(void) close(i);
@@ -109,13 +111,6 @@ main(int argc, char *argv[])
#else
for (i = from; i <= to; i++)
(void) close(i);
-#endif /* __ANDROID__ */
-
-#if defined(HAVE_CLOSEFROM)
- closefrom(from);
-#else
- for (i = from; i <= to; i++)
- (void) close(i);
#endif
if (!(argv[CS_ARGV_WD_IX][0] == '.' && argv[CS_ARGV_WD_IX][1] == '\0')
@@ -147,8 +142,6 @@ main(int argc, char *argv[])
return 1;
}
-
-
#if defined(__ANDROID__)
int __system_properties_fd(void)
{
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index 0d677d5f34..cd87b320e2 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -202,8 +202,6 @@ static erts_smp_atomic_t sys_misc_mem_sz;
#if defined(ERTS_SMP)
static void smp_sig_notify(char c);
static int sig_notify_fds[2] = {-1, -1};
-#elif defined(USE_THREADS)
-static int async_fd[2];
#endif
#if CHLDWTHR || defined(ERTS_SMP)
@@ -246,6 +244,8 @@ static void note_child_death(int, int);
static void* child_waiter(void *);
#endif
+static int crashdump_companion_cube_fd = -1;
+
/********************* General functions ****************************/
/* This is used by both the drivers and general I/O, must be set early */
@@ -575,6 +575,14 @@ erts_sys_pre_init(void)
close(fd);
}
+ /* We need a file descriptor to close in the crashdump creation.
+ * We close this one to be sure we can get a fd for our real file ...
+ * so, we create one here ... a stone to carry all the way home.
+ */
+
+ crashdump_companion_cube_fd = open("/dev/null", O_RDONLY);
+
+ /* don't lose it, there will be cake */
}
void
@@ -719,14 +727,13 @@ static ERTS_INLINE int
prepare_crash_dump(int secs)
{
#define NUFBUF (3)
- int i, max;
+ int i;
char env[21]; /* enough to hold any 64-bit integer */
size_t envsz;
DeclareTmpHeapNoproc(heap,NUFBUF);
Port *heart_port;
Eterm *hp = heap;
Eterm list = NIL;
- int heart_fd[2] = {-1,-1};
int has_heart = 0;
UseTmpHeapNoproc(NUFBUF);
@@ -749,43 +756,22 @@ prepare_crash_dump(int secs)
alarm((unsigned int)secs);
}
- if (heart_port) {
- /* hearts input fd
- * We "know" drv_data is the in_fd since the port is started with read|write
- */
- heart_fd[0] = (int)heart_port->drv_data;
- heart_fd[1] = (int)driver_data[heart_fd[0]].ofd;
- has_heart = 1;
+ /* close all viable sockets via emergency close callbacks.
+ * Specifically we want to close epmd sockets.
+ */
- list = CONS(hp, make_small(8), list); hp += 2;
+ erts_emergency_close_ports();
+ if (heart_port) {
+ has_heart = 1;
+ list = CONS(hp, make_small(8), list); hp += 2;
/* send to heart port, CMD = 8, i.e. prepare crash dump =o */
erts_port_output(NULL, ERTS_PORT_SIG_FLG_FORCE_IMM_CALL, heart_port,
heart_port->common.id, list, NULL);
}
- /* Make sure we unregister at epmd (unknown fd) and get at least
- one free filedescriptor (for erl_crash.dump) */
-
- max = max_files;
- if (max < 1024)
- max = 1024;
- for (i = 3; i < max; i++) {
-#if defined(ERTS_SMP)
- /* We don't want to close the signal notification pipe... */
- if (i == sig_notify_fds[0] || i == sig_notify_fds[1])
- continue;
-#elif defined(USE_THREADS)
- /* We don't want to close the async notification pipe... */
- if (i == async_fd[0] || i == async_fd[1])
- continue;
-#endif
- /* We don't want to close our heart yet ... */
- if (i == heart_fd[0] || i == heart_fd[1])
- continue;
-
- close(i);
- }
+ /* Make sure we have a fd for our crashdump file. */
+ close(crashdump_companion_cube_fd);
envsz = sizeof(env);
i = erts_sys_getenv__("ERL_CRASH_DUMP_NICE", env, &envsz);
@@ -1574,9 +1560,13 @@ static ErlDrvData spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* op
goto child_error;
}
+#if defined(HAVE_CLOSEFROM)
+ closefrom(opts->use_stdio ? 3 : 5);
+#else
for (i = opts->use_stdio ? 3 : 5; i < max_files; i++)
(void) close(i);
-
+#endif
+
if (opts->wd && chdir(opts->wd) < 0)
goto child_error;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 15:26:27 +0000