39 lines
801 B
C
39 lines
801 B
C
#include <unistd.h>
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#include <signal.h>
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#include "syscall.h"
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#include "libc.h"
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#include "lock.h"
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#include "pthread_impl.h"
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#include "aio_impl.h"
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static void dummy(int x) { }
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weak_alias(dummy, __aio_atfork);
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pid_t _Fork(void)
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{
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pid_t ret;
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sigset_t set;
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__block_all_sigs(&set);
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__aio_atfork(-1);
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LOCK(__abort_lock);
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#ifdef SYS_fork
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ret = __syscall(SYS_fork);
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#else
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ret = __syscall(SYS_clone, SIGCHLD, 0);
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#endif
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if (!ret) {
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pthread_t self = __pthread_self();
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self->tid = __syscall(SYS_gettid);
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self->robust_list.off = 0;
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self->robust_list.pending = 0;
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self->next = self->prev = self;
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__thread_list_lock = 0;
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libc.threads_minus_1 = 0;
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if (libc.need_locks) libc.need_locks = -1;
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}
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UNLOCK(__abort_lock);
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__aio_atfork(!ret);
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__restore_sigs(&set);
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return __syscall_ret(ret);
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}
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