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https://github.com/jart/cosmopolitan.git
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fde03f8487
This change fixes a bug where gcc assumed thread synchronization such as pthread_cond_wait() wouldn't alter static variables, because the headers were using __attribute__((__leaf__)) inappropriately.
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
#ifndef COSMOPOLITAN_LIBC_PROC_H_
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#define COSMOPOLITAN_LIBC_PROC_H_
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#include "libc/atomic.h"
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#include "libc/calls/struct/rusage.h"
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#include "libc/intrin/atomic.h"
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#include "libc/intrin/dll.h"
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#include "libc/thread/thread.h"
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COSMOPOLITAN_C_START_
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#define PROC_ALIVE 0
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#define PROC_ZOMBIE 1
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#define PROC_UNDEAD 2
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#define PROC_CONTAINER(e) DLL_CONTAINER(struct Proc, elem, e)
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struct Proc {
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int pid;
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int status;
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int waiters;
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bool wasforked;
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uint32_t wstatus;
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int64_t handle;
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struct Dll elem;
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struct rusage ru;
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};
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struct Procs {
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int waiters;
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atomic_uint once;
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pthread_mutex_t lock;
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intptr_t thread;
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intptr_t onbirth;
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intptr_t haszombies;
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struct Dll *list;
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struct Dll *free;
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struct Dll *undead;
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struct Dll *zombies;
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unsigned allocated;
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struct rusage ruchlds;
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};
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extern struct Procs __proc;
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void __proc_lock(void) dontthrow;
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void __proc_unlock(void) dontthrow;
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int64_t __proc_handle(int) libcesque;
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int64_t __proc_search(int) libcesque;
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struct Proc *__proc_new(void) libcesque;
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void __proc_add(struct Proc *) libcesque;
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void __proc_free(struct Proc *) libcesque;
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void __proc_wipe_and_reset(void) libcesque;
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int __proc_harvest(struct Proc *, bool) libcesque;
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int sys_wait4_nt(int, int *, int, struct rusage *) libcesque;
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COSMOPOLITAN_C_END_
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#endif /* COSMOPOLITAN_LIBC_PROC_H_ */
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