X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fprocess%2Ffork.c;h=b96f0024f4c03c86e8ac6d72b4305576d0a020c6;hb=71c334f951d9ffa4d8bdc71bdd49628e5ae4512b;hp=1213f0f509e93d5e2f787862ccc6804ab5ab1f46;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl diff --git a/src/process/fork.c b/src/process/fork.c index 1213f0f5..b96f0024 100644 --- a/src/process/fork.c +++ b/src/process/fork.c @@ -1,9 +1,35 @@ #include +#include +#include #include "syscall.h" +#include "libc.h" +#include "pthread_impl.h" -/* FIXME: add support for atfork stupidity */ +static void dummy(int x) +{ +} + +weak_alias(dummy, __fork_handler); pid_t fork(void) { - return syscall0(__NR_fork); + pid_t 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; }