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authorRich Felker <dalias@aerifal.cx>2011-08-06 20:09:51 -0400
committerRich Felker <dalias@aerifal.cx>2011-08-06 20:09:51 -0400
commit98acf04fc00cbded6169056f2cd541d31725c091 (patch)
treef792014c7cbc4deee8c3de9b511d9e7329f2bf0d /src/process/fork.c
parent338b663ddb64ecf8a62ad0d1020a29587e0ca81b (diff)
downloadmusl-98acf04fc00cbded6169056f2cd541d31725c091.tar.gz
use weak aliases rather than function pointers to simplify some code
Diffstat (limited to 'src/process/fork.c')
-rw-r--r--src/process/fork.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/process/fork.c b/src/process/fork.c
index 7530ff93..a8bdbe0b 100644
--- a/src/process/fork.c
+++ b/src/process/fork.c
@@ -3,10 +3,16 @@
#include "libc.h"
#include "pthread_impl.h"
+static void dummy(int x)
+{
+}
+
+weak_alias(dummy, __fork_handler);
+
pid_t fork(void)
{
pid_t ret;
- if (libc.fork_handler) libc.fork_handler(-1);
+ __fork_handler(-1);
ret = syscall(SYS_fork);
if (libc.main_thread && !ret) {
pthread_t self = __pthread_self();
@@ -15,6 +21,6 @@ pid_t fork(void)
libc.threads_minus_1 = 0;
libc.main_thread = self;
}
- if (libc.fork_handler) libc.fork_handler(!ret);
+ __fork_handler(!ret);
return ret;
}