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c260345e06
This change switches most of the core locks to be re-entrant, in order to reduce the chance of deadlocking code that does, clever things with asynchronous signal handlers. This change implements it it in pthreads so we're one step closer to having a standardized threading primitives
37 lines
926 B
C
37 lines
926 B
C
#ifndef COSMOPOLITAN_LIBC_CALLS_SIGNALS_INTERNAL_H_
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#define COSMOPOLITAN_LIBC_CALLS_SIGNALS_INTERNAL_H_
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#include "libc/calls/struct/sigset.h"
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#include "libc/calls/ucontext.h"
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#define __SIG_QUEUE_LENGTH 8
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#define __SIG_POLLING_INTERVAL_MS 50
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#define __SIG_LOGGING_INTERVAL_MS 1700
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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struct Signal {
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struct Signal *next;
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bool used;
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int sig;
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int si_code;
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};
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struct Signals {
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sigset_t mask;
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struct Signal *queue;
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struct Signal mem[__SIG_QUEUE_LENGTH];
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};
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extern long __sig_count;
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extern struct Signals __sig;
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bool __sig_check(bool) hidden;
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bool __sig_handle(bool, int, int, ucontext_t *) hidden;
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int __sig_add(int, int) hidden;
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int __sig_mask(int, const sigset_t *, sigset_t *) hidden;
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int __sig_raise(int, int) hidden;
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_CALLS_SIGNALS_INTERNAL_H_ */
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