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Diffstat (limited to 'erts/emulator/sys/unix/sys.c')
-rw-r--r--erts/emulator/sys/unix/sys.c73
1 files changed, 31 insertions, 42 deletions
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index 31ab5d03de..01ba773688 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -75,6 +75,7 @@ static erts_smp_rwmtx_t environ_rwmtx;
#include "erl_sys_driver.h"
#include "erl_check_io.h"
+#include "erl_cpu_topology.h"
#ifndef DISABLE_VFORK
#define DISABLE_VFORK 0
@@ -123,8 +124,6 @@ static ErtsSysReportExit *report_exit_transit_list;
extern int check_async_ready(void);
extern int driver_interrupt(int, int);
-/*EXTERN_FUNCTION(void, increment_time, (int));*/
-/*EXTERN_FUNCTION(int, next_time, (_VOID_));*/
extern void do_break(void);
extern void erl_sys_args(int*, char**);
@@ -221,10 +220,10 @@ static struct fd_data {
} *fd_data; /* indexed by fd */
/* static FUNCTION(int, write_fill, (int, char*, int)); unused? */
-static FUNCTION(void, note_child_death, (int, int));
+static void note_child_death(int, int);
#if CHLDWTHR
-static FUNCTION(void *, child_waiter, (void *));
+static void* child_waiter(void *);
#endif
/********************* General functions ****************************/
@@ -367,7 +366,7 @@ erts_sys_misc_mem_sz(void)
/*
* reset the terminal to the original settings on exit
*/
-void sys_tty_reset(void)
+void sys_tty_reset(int exit_code)
{
if (using_oldshell && !replace_intr) {
SET_BLOCKING(0);
@@ -384,18 +383,6 @@ MALLOC_USE_HASH(1);
#endif
#ifdef USE_THREADS
-static void *ethr_internal_alloc(size_t size)
-{
- return erts_alloc_fnf(ERTS_ALC_T_ETHR_INTERNAL, (Uint) size);
-}
-static void *ethr_internal_realloc(void *ptr, size_t size)
-{
- return erts_realloc_fnf(ERTS_ALC_T_ETHR_INTERNAL, ptr, (Uint) size);
-}
-static void ethr_internal_free(void *ptr)
-{
- erts_free(ERTS_ALC_T_ETHR_INTERNAL, ptr);
-}
#ifdef ERTS_THR_HAVE_SIG_FUNCS
/*
@@ -413,7 +400,7 @@ typedef struct {
#ifdef ERTS_THR_HAVE_SIG_FUNCS
sigset_t saved_sigmask;
#endif
- int unbind_child;
+ int sched_bind_data;
} erts_thr_create_data_t;
/*
@@ -424,15 +411,13 @@ static void *
thr_create_prepare(void)
{
erts_thr_create_data_t *tcdp;
- ErtsSchedulerData *esdp;
tcdp = erts_alloc(ERTS_ALC_T_TMP, sizeof(erts_thr_create_data_t));
#ifdef ERTS_THR_HAVE_SIG_FUNCS
erts_thr_sigmask(SIG_BLOCK, &thr_create_sigmask, &tcdp->saved_sigmask);
#endif
- esdp = erts_get_scheduler_data();
- tcdp->unbind_child = esdp && erts_is_scheduler_bound(esdp);
+ tcdp->sched_bind_data = erts_sched_bind_atthrcreate_prepare();
return (void *) tcdp;
}
@@ -444,6 +429,8 @@ thr_create_cleanup(void *vtcdp)
{
erts_thr_create_data_t *tcdp = (erts_thr_create_data_t *) vtcdp;
+ erts_sched_bind_atthrcreate_parent(tcdp->sched_bind_data);
+
#ifdef ERTS_THR_HAVE_SIG_FUNCS
/* Restore signalmask... */
erts_thr_sigmask(SIG_SETMASK, &tcdp->saved_sigmask, NULL);
@@ -457,6 +444,10 @@ thr_create_prepare_child(void *vtcdp)
{
erts_thr_create_data_t *tcdp = (erts_thr_create_data_t *) vtcdp;
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_thread_setup();
+#endif
+
#ifndef NO_FPE_SIGNALS
/*
* We do not want fp exeptions in other threads than the
@@ -466,12 +457,7 @@ thr_create_prepare_child(void *vtcdp)
erts_thread_disable_fpe();
#endif
- if (tcdp->unbind_child) {
- erts_smp_rwmtx_rlock(&erts_cpu_bind_rwmtx);
- erts_unbind_from_cpu(erts_cpuinfo);
- erts_smp_rwmtx_runlock(&erts_cpu_bind_rwmtx);
- }
-
+ erts_sched_bind_atthrcreate_child(tcdp->sched_bind_data);
}
#endif /* #ifdef USE_THREADS */
@@ -484,9 +470,6 @@ erts_sys_pre_init(void)
#ifdef USE_THREADS
{
erts_thr_init_data_t eid = ERTS_THR_INIT_DATA_DEF_INITER;
- eid.alloc = ethr_internal_alloc;
- eid.realloc = ethr_internal_realloc;
- eid.free = ethr_internal_free;
eid.thread_create_child_func = thr_create_prepare_child;
/* Before creation in parent */
@@ -534,13 +517,14 @@ erts_sys_pre_init(void)
#endif
#endif /* USE_THREADS */
erts_smp_atomic_init(&sys_misc_mem_sz, 0);
- erts_smp_rwmtx_init(&environ_rwmtx, "environ");
}
void
erl_sys_init(void)
{
+ erts_smp_rwmtx_init(&environ_rwmtx, "environ");
#if !DISABLE_VFORK
+ {
int res;
char bindir[MAXPATHLEN];
size_t bindirsz = sizeof(bindir);
@@ -570,6 +554,7 @@ erl_sys_init(void)
bindir,
DIR_SEPARATOR_CHAR,
CHILD_SETUP_PROG_NAME);
+ }
#endif
#ifdef USE_SETLINEBUF
@@ -1324,9 +1309,18 @@ static char **build_unix_environment(char *block)
}
}
- for (j = 0; j < i; j++) {
- if (cpp[j][strlen(cpp[j])-1] == '=') {
+ for (j = 0; j < i; ) {
+ size_t last = strlen(cpp[j])-1;
+ if (cpp[j][last] == '=' && strchr(cpp[j], '=') == cpp[j]+last) {
cpp[j] = cpp[--len];
+ if (len < i) {
+ i--;
+ } else {
+ j++;
+ }
+ }
+ else {
+ j++;
}
}
@@ -1463,9 +1457,7 @@ static ErlDrvData spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* op
CHLD_STAT_LOCK;
- unbind = erts_is_scheduler_bound(NULL);
- if (unbind)
- erts_smp_rwmtx_rlock(&erts_cpu_bind_rwmtx);
+ unbind = erts_sched_bind_atfork_prepare();
#if !DISABLE_VFORK
/* See fork/vfork discussion before this function. */
@@ -1478,7 +1470,7 @@ static ErlDrvData spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* op
if (pid == 0) {
/* The child! Setup child... */
- if (unbind && erts_unbind_from_cpu(erts_cpuinfo) != 0)
+ if (erts_sched_bind_atfork_child(unbind) != 0)
goto child_error;
/* OBSERVE!
@@ -1579,8 +1571,7 @@ static ErlDrvData spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* op
cs_argv[CS_ARGV_PROGNAME_IX] = child_setup_prog;
cs_argv[CS_ARGV_WD_IX] = opts->wd ? opts->wd : ".";
- cs_argv[CS_ARGV_UNBIND_IX]
- = (unbind ? erts_get_unbind_from_cpu_str(erts_cpuinfo) : "false");
+ cs_argv[CS_ARGV_UNBIND_IX] = erts_sched_bind_atvfork_child(unbind);
cs_argv[CS_ARGV_FD_CR_IX] = fd_close_range;
for (i = 0; i < CS_ARGV_NO_OF_DUP2_OPS; i++)
cs_argv[CS_ARGV_DUP2_OP_IX(i)] = &dup2_op[i][0];
@@ -1629,8 +1620,7 @@ static ErlDrvData spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* op
}
#endif
- if (unbind)
- erts_smp_rwmtx_runlock(&erts_cpu_bind_rwmtx);
+ erts_sched_bind_atfork_parent(unbind);
if (pid == -1) {
saved_errno = errno;
@@ -2562,7 +2552,6 @@ extern Preload pre_loaded[];
void erts_sys_alloc_init(void)
{
- elib_ensure_initialized();
}
void *erts_sys_alloc(ErtsAlcType_t t, void *x, Uint sz)
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-15 01:47:24 +0000