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use weak aliases rather than function pointers to simplify some code

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This commit is contained in:
Rich Felker 2011-08-06 20:09:51 -04:00
commit 98acf04fc0
6 changed files with 20 additions and 9 deletions
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10
src/process/fork.c
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@ -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;
}