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-rw-r--r--erts/emulator/beam/erl_drv_thread.c3
-rw-r--r--erts/emulator/sys/unix/sys.c10
2 files changed, 8 insertions, 5 deletions
diff --git a/erts/emulator/beam/erl_drv_thread.c b/erts/emulator/beam/erl_drv_thread.c
index 08a35387f2..39bbe9633b 100644
--- a/erts/emulator/beam/erl_drv_thread.c
+++ b/erts/emulator/beam/erl_drv_thread.c
@@ -698,6 +698,7 @@ erl_drv_thread_join(ErlDrvTid tid, void **respp)
#if defined(__DARWIN__) && defined(USE_THREADS) && defined(ERTS_SMP)
extern int erts_darwin_main_thread_pipe[2];
+extern int erts_darwin_main_thread_result_pipe[2];
int
@@ -709,7 +710,7 @@ erl_drv_stolen_main_thread_join(ErlDrvTid tid, void **respp)
x = &dummy;
else
x = respp;
- read(erts_darwin_main_thread_pipe[0],x,sizeof(void *));
+ read(erts_darwin_main_thread_result_pipe[0],x,sizeof(void *));
return 0;
}
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index 5f38d73359..bafbbb0f6c 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -2997,10 +2997,12 @@ init_smp_sig_notify(void)
#ifdef __DARWIN__
int erts_darwin_main_thread_pipe[2];
+int erts_darwin_main_thread_result_pipe[2];
-static void initialize_darwin_main_thread_pipe(void)
+static void initialize_darwin_main_thread_pipes(void)
{
- if (pipe(erts_darwin_main_thread_pipe) < 0) {
+ if (pipe(erts_darwin_main_thread_pipe) < 0 ||
+ pipe(erts_darwin_main_thread_result_pipe) < 0) {
erl_exit(1,"Fatal error initializing Darwin main thread stealing");
}
}
@@ -3011,7 +3013,7 @@ erts_sys_main_thread(void)
{
erts_thread_disable_fpe();
#ifdef __DARWIN__
- initialize_darwin_main_thread_pipe();
+ initialize_darwin_main_thread_pipes();
#endif
/* Become signal receiver thread... */
#ifdef ERTS_ENABLE_LOCK_CHECK
@@ -3039,7 +3041,7 @@ erts_sys_main_thread(void)
read(erts_darwin_main_thread_pipe[0],&func,sizeof(void* (*)(void*)));
read(erts_darwin_main_thread_pipe[0],&arg, sizeof(void*));
resp = (*func)(arg);
- write(erts_darwin_main_thread_pipe[1],&resp,sizeof(void *));
+ write(erts_darwin_main_thread_result_pipe[1],&resp,sizeof(void *));
}
#else
#ifdef DEBUG