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https://github.com/jart/cosmopolitan.git
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9849b4c7ba
This change also fixes the clock_nanosleep() api and polyfills futexes on Windows, Mac, and NetBSD using exponential backoff.
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
#ifndef COSMOPOLITAN_LIBC_THREAD_FREEBSD_INTERNAL_H_
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#define COSMOPOLITAN_LIBC_THREAD_FREEBSD_INTERNAL_H_
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#include "libc/calls/struct/timespec.h"
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#include "libc/errno.h"
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#include "libc/intrin/asmflag.h"
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/**
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* @fileoverview FreeBSD Threading
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*
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* @note even though FreeBSD uses a 64-bit type for thread IDs the
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* maximum legal range is PID_MAX + 2 (100001) through INT_MAX
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*/
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#define UMTX_OP_WAIT 2
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#define UMTX_OP_WAIT_UINT 11
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#define UMTX_OP_WAIT_UINT_PRIVATE 15
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#define UMTX_OP_WAKE 3
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#define UMTX_OP_WAKE_PRIVATE 16
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#define UMTX_ABSTIME 1
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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struct rtprio {
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uint16_t type; /* scheduling class */
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uint16_t prio;
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};
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struct thr_param {
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void (*start_func)(void *);
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void *arg;
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char *stack_base;
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uint64_t stack_size;
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char *tls_base;
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uint64_t tls_size;
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int64_t *child_tid;
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int64_t *parent_tid;
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int32_t flags;
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struct rtprio *rtp;
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};
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struct _umtx_time {
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struct timespec _timeout;
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uint32_t _flags;
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uint32_t _clockid;
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};
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int sys_umtx_op(void *, int, unsigned long, void *, void *);
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int sys_umtx_timedwait_uint(int *, int, bool, const struct timespec *);
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_THREAD_FREEBSD_INTERNAL_H_ */
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