diff options
| -rw-r--r-- | ports/unix/mpthreadport.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/ports/unix/mpthreadport.c b/ports/unix/mpthreadport.c index b1915f2a6..4cbba3ff3 100644 --- a/ports/unix/mpthreadport.c +++ b/ports/unix/mpthreadport.c @@ -39,6 +39,8 @@ #include <sched.h> #include <semaphore.h> +#define MP_THREAD_GC_SIGNAL (SIGRTMIN + 5) + // this structure forms a linked list, one node per active thread typedef struct _thread_t { pthread_t id; // system id of thread @@ -66,7 +68,7 @@ STATIC sem_t thread_signal_done; STATIC void mp_thread_gc(int signo, siginfo_t *info, void *context) { (void)info; // unused (void)context; // unused - if (signo == SIGUSR1) { + if (signo == MP_THREAD_GC_SIGNAL) { void gc_collect_regs_and_stack(void); gc_collect_regs_and_stack(); // We have access to the context (regs, stack) of the thread but it seems @@ -108,7 +110,7 @@ void mp_thread_init(void) { sa.sa_flags = SA_SIGINFO; sa.sa_sigaction = mp_thread_gc; sigemptyset(&sa.sa_mask); - sigaction(SIGUSR1, &sa, NULL); + sigaction(MP_THREAD_GC_SIGNAL, &sa, NULL); } void mp_thread_deinit(void) { @@ -144,7 +146,7 @@ void mp_thread_gc_others(void) { if (!th->ready) { continue; } - pthread_kill(th->id, SIGUSR1); + pthread_kill(th->id, MP_THREAD_GC_SIGNAL); #if defined(__APPLE__) sem_wait(thread_signal_done_p); #else |