aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/sys
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/sys')
-rw-r--r--erts/emulator/sys/common/erl_check_io.c3
-rw-r--r--erts/emulator/sys/unix/erl_unix_sys.h1
-rw-r--r--erts/emulator/sys/unix/sys.c20
-rw-r--r--erts/emulator/sys/unix/sys_float.c26
-rw-r--r--erts/emulator/sys/win32/sys.c3
5 files changed, 23 insertions, 30 deletions
diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c
index 08eae03858..44a77f3ea5 100644
--- a/erts/emulator/sys/common/erl_check_io.c
+++ b/erts/emulator/sys/common/erl_check_io.c
@@ -39,6 +39,7 @@
#include "erl_check_io.h"
#include "erl_thr_progress.h"
#include "dtrace-wrapper.h"
+#include "lttng-wrapper.h"
#define ERTS_WANT_TIMER_WHEEL_API
#include "erl_time.h"
@@ -395,6 +396,7 @@ forget_removed(struct pollset_info* psi)
if (drv_ptr) {
int was_unmasked = erts_block_fpe();
DTRACE1(driver_stop_select, drv_ptr->name);
+ LTTNG1(driver_stop_select, drv_ptr->name);
(*drv_ptr->stop_select) ((ErlDrvEvent) fd, NULL);
erts_unblock_fpe(was_unmasked);
if (drv_ptr->handle) {
@@ -1055,6 +1057,7 @@ done_unknown:
if (stop_select_fn) {
int was_unmasked = erts_block_fpe();
DTRACE1(driver_stop_select, name);
+ LTTNG1(driver_stop_select, "unknown");
(*stop_select_fn)(e, NULL);
erts_unblock_fpe(was_unmasked);
}
diff --git a/erts/emulator/sys/unix/erl_unix_sys.h b/erts/emulator/sys/unix/erl_unix_sys.h
index 9f958abc34..241540b894 100644
--- a/erts/emulator/sys/unix/erl_unix_sys.h
+++ b/erts/emulator/sys/unix/erl_unix_sys.h
@@ -321,6 +321,7 @@ typedef void (*SIGFUNC)(int);
extern SIGFUNC sys_signal(int, SIGFUNC);
extern void sys_sigrelease(int);
extern void sys_sigblock(int);
+extern void sys_init_suspend_handler(void);
/*
* Handling of floating point exceptions.
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index 249c7a89b2..6fb86f6dda 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -121,8 +121,10 @@ erts_smp_atomic_t sys_misc_mem_sz;
static void smp_sig_notify(char c);
static int sig_notify_fds[2] = {-1, -1};
+#if !defined(ETHR_UNUSABLE_SIGUSRX) && defined(ERTS_THR_HAVE_SIG_FUNCS)
static int sig_suspend_fds[2] = {-1, -1};
#define ERTS_SYS_SUSPEND_SIGNAL SIGUSR2
+#endif
#endif
@@ -678,7 +680,7 @@ sigusr1_exit(void)
#else
-#ifdef ERTS_SMP
+#ifdef ERTS_SYS_SUSPEND_SIGNAL
void
sys_thr_suspend(erts_tid_t tid) {
erts_thr_kill(tid, ERTS_SYS_SUSPEND_SIGNAL);
@@ -706,7 +708,7 @@ static RETSIGTYPE user_signal1(int signum)
#endif
}
-#ifdef ERTS_SMP
+#ifdef ERTS_SYS_SUSPEND_SIGNAL
#if (defined(SIG_SIGSET) || defined(SIG_SIGNAL))
static RETSIGTYPE suspend_signal(void)
#else
@@ -719,7 +721,7 @@ static RETSIGTYPE suspend_signal(int signum)
res = read(sig_suspend_fds[0], buf, sizeof(int));
} while (res < 0 && errno == EINTR);
}
-#endif /* #ifdef ERTS_SMP */
+#endif /* #ifdef ERTS_SYS_SUSPEND_SIGNAL */
#endif /* #ifndef ETHR_UNUSABLE_SIGUSRX */
@@ -772,13 +774,17 @@ void init_break_handler(void)
sys_signal(SIGINT, request_break);
#ifndef ETHR_UNUSABLE_SIGUSRX
sys_signal(SIGUSR1, user_signal1);
-#ifdef ERTS_SMP
- sys_signal(ERTS_SYS_SUSPEND_SIGNAL, suspend_signal);
-#endif /* #ifdef ERTS_SMP */
#endif /* #ifndef ETHR_UNUSABLE_SIGUSRX */
sys_signal(SIGQUIT, do_quit);
}
+void sys_init_suspend_handler(void)
+{
+#ifdef ERTS_SYS_SUSPEND_SIGNAL
+ sys_signal(ERTS_SYS_SUSPEND_SIGNAL, suspend_signal);
+#endif
+}
+
int sys_max_files(void)
{
return(max_files);
@@ -1323,12 +1329,14 @@ init_smp_sig_notify(void)
static void
init_smp_sig_suspend(void) {
+#ifdef ERTS_SYS_SUSPEND_SIGNAL
if (pipe(sig_suspend_fds) < 0) {
erts_exit(ERTS_ABORT_EXIT,
"Failed to create sig_suspend pipe: %s (%d)\n",
erl_errno_id(errno),
errno);
}
+#endif
}
#ifdef __DARWIN__
diff --git a/erts/emulator/sys/unix/sys_float.c b/erts/emulator/sys/unix/sys_float.c
index 9d2a768778..60661d9016 100644
--- a/erts/emulator/sys/unix/sys_float.c
+++ b/erts/emulator/sys/unix/sys_float.c
@@ -499,18 +499,8 @@ static int mask_fpe(void)
#define mc_pc(mc) ((mc)->gregs[REG_RIP])
#elif defined(__linux__) && defined(__i386__)
#define mc_pc(mc) ((mc)->gregs[REG_EIP])
-#elif defined(__DARWIN__) && defined(__i386__)
-#ifdef DARWIN_MODERN_MCONTEXT
-#define mc_pc(mc) ((mc)->__ss.__eip)
-#else
-#define mc_pc(mc) ((mc)->ss.eip)
-#endif
-#elif defined(__DARWIN__) && defined(__x86_64__)
-#ifdef DARWIN_MODERN_MCONTEXT
-#define mc_pc(mc) ((mc)->__ss.__rip)
-#else
-#define mc_pc(mc) ((mc)->ss.rip)
-#endif
+#elif defined(__DARWIN__)
+# error "Floating-point exceptions not supported on MacOS X"
#elif defined(__FreeBSD__) && defined(__x86_64__)
#define mc_pc(mc) ((mc)->mc_rip)
#elif defined(__FreeBSD__) && defined(__i386__)
@@ -575,17 +565,7 @@ static void fpe_sig_action(int sig, siginfo_t *si, void *puc)
regs[PT_FPSCR] = 0x80|0x40|0x10; /* VE, OE, ZE; not UE or XE */
#endif
#elif defined(__DARWIN__) && (defined(__i386__) || defined(__x86_64__))
-#ifdef DARWIN_MODERN_MCONTEXT
- mcontext_t mc = uc->uc_mcontext;
- pc = mc_pc(mc);
- mc->__fs.__fpu_mxcsr = 0x1F80;
- *(unsigned short *)&mc->__fs.__fpu_fsw &= ~0xFF;
-#else
- mcontext_t mc = uc->uc_mcontext;
- pc = mc_pc(mc);
- mc->fs.fpu_mxcsr = 0x1F80;
- *(unsigned short *)&mc->fs.fpu_fsw &= ~0xFF;
-#endif /* DARWIN_MODERN_MCONTEXT */
+# error "Floating-point exceptions not supported on MacOS X"
#elif defined(__DARWIN__) && defined(__ppc__)
mcontext_t mc = uc->uc_mcontext;
pc = mc->ss.srr0;
diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c
index 93e073d78f..cf821b05cb 100644
--- a/erts/emulator/sys/win32/sys.c
+++ b/erts/emulator/sys/win32/sys.c
@@ -3079,6 +3079,8 @@ erl_bin_write(buf, sz, max)
}
}
+#endif /* DEBUG */
+
void
erl_assert_error(const char* expr, const char* func, const char* file, int line)
{
@@ -3094,7 +3096,6 @@ erl_assert_error(const char* expr, const char* func, const char* file, int line)
DebugBreak();
}
-#endif /* DEBUG */
static void
check_supported_os_version(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-26 10:59:32 +0000