make fork properly initialize the main thread in the child process
authorRich Felker <dalias@aerifal.cx>
Thu, 10 Mar 2011 01:23:44 +0000 (20:23 -0500)
committerRich Felker <dalias@aerifal.cx>
Thu, 10 Mar 2011 01:23:44 +0000 (20:23 -0500)
src/process/fork.c

index 0638ed67db74df731bdfab80f4e4d05e12be7981..87e7dc96790b3e150c439034b1235d9d105fc54f 100644 (file)
@@ -1,12 +1,19 @@
 #include <unistd.h>
 #include "syscall.h"
 #include "libc.h"
+#include "pthread_impl.h"
 
 pid_t fork(void)
 {
        pid_t ret;
        if (libc.fork_handler) libc.fork_handler(-1);
        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);
        return ret;
 }