X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fprocess%2Ffork.c;h=b96f0024f4c03c86e8ac6d72b4305576d0a020c6;hb=1b0c9cd099e80a7557eb4ae36efb1897f7202a02;hp=87e7dc96790b3e150c439034b1235d9d105fc54f;hpb=3f5420bcda134de80ed6b0f0da1d7d23f147a4cc;p=musl diff --git a/src/process/fork.c b/src/process/fork.c index 87e7dc96..b96f0024 100644 --- a/src/process/fork.c +++ b/src/process/fork.c @@ -1,19 +1,35 @@ #include +#include +#include #include "syscall.h" #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); - ret = syscall0(__NR_fork); - if (libc.lock && !ret) { + sigset_t set; + __fork_handler(-1); + __block_all_sigs(&set); +#ifdef SYS_fork + ret = syscall(SYS_fork); +#else + ret = syscall(SYS_clone, SIGCHLD, 0); +#endif + if (!ret) { pthread_t self = __pthread_self(); - self->pid = syscall0(__NR_getpid); - self->tid = syscall0(__NR_gettid); + self->tid = __syscall(SYS_gettid); + self->robust_list.off = 0; + self->robust_list.pending = 0; libc.threads_minus_1 = 0; } - if (libc.fork_handler) libc.fork_handler(!ret); + __restore_sigs(&set); + __fork_handler(!ret); return ret; }