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make fork properly initialize the main thread in the child process

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This commit is contained in:
Rich Felker 2011-03-09 20:23:44 -05:00
parent 6dc05fbe19
commit 3f5420bcda
1 changed files with 7 additions and 0 deletions
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7
src/process/fork.c
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@ -1,12 +1,19 @@
#include <unistd.h> #include <unistd.h>
#include "syscall.h" #include "syscall.h"
#include "libc.h" #include "libc.h"
#include "pthread_impl.h"
pid_t fork(void) pid_t fork(void)
{ {
pid_t ret; pid_t ret;
if (libc.fork_handler) libc.fork_handler(-1); if (libc.fork_handler) libc.fork_handler(-1);
ret = syscall0(__NR_fork); ret = syscall0(__NR_fork);
if (libc.lock && !ret) {
pthread_t self = __pthread_self();
self->pid = syscall0(__NR_getpid);
self->tid = syscall0(__NR_gettid);
libc.threads_minus_1 = 0;
}
if (libc.fork_handler) libc.fork_handler(!ret); if (libc.fork_handler) libc.fork_handler(!ret);
return ret; return ret;
} }