X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fprocess%2Ffork.c;h=b96f0024f4c03c86e8ac6d72b4305576d0a020c6;hb=1b0c9cd099e80a7557eb4ae36efb1897f7202a02;hp=0638ed67db74df731bdfab80f4e4d05e12be7981;hpb=e9417fffb39c299e556c5ad0c1545f0c02618e3c;p=musl diff --git a/src/process/fork.c b/src/process/fork.c index 0638ed67..b96f0024 100644 --- a/src/process/fork.c +++ b/src/process/fork.c @@ -1,12 +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.fork_handler) libc.fork_handler(!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->tid = __syscall(SYS_gettid); + self->robust_list.off = 0; + self->robust_list.pending = 0; + libc.threads_minus_1 = 0; + } + __restore_sigs(&set); + __fork_handler(!ret); return ret; }