Mercurial > hg > nginx
view src/os/unix/ngx_thread_id.c @ 9198:514c518b9d6c
Win32: extended ngx_random() range to 0x7fffffff.
rand() is used on win32. RAND_MAX is implementation defined. win32's is
0x7fff.
Existing uses of ngx_random() rely upon 0x7fffffff range provided by
POSIX implementations of random().
author | J Carter <jordanc.carter@outlook.com> |
---|---|
date | Sat, 09 Dec 2023 08:38:14 +0000 |
parents | 466bd63b63d1 |
children |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_thread_pool.h> #if (NGX_LINUX) /* * Linux thread id is a pid of thread created by clone(2), * glibc does not provide a wrapper for gettid(). */ ngx_tid_t ngx_thread_tid(void) { return syscall(SYS_gettid); } #elif (NGX_FREEBSD) && (__FreeBSD_version >= 900031) #include <pthread_np.h> ngx_tid_t ngx_thread_tid(void) { return pthread_getthreadid_np(); } #elif (NGX_DARWIN) /* * MacOSX thread has two thread ids: * * 1) MacOSX 10.6 (Snow Leoprad) has pthread_threadid_np() returning * an uint64_t value, which is obtained using the __thread_selfid() * syscall. It is a number above 300,000. */ ngx_tid_t ngx_thread_tid(void) { uint64_t tid; (void) pthread_threadid_np(NULL, &tid); return tid; } /* * 2) Kernel thread mach_port_t returned by pthread_mach_thread_np(). * It is a number in range 100-100,000. * * return pthread_mach_thread_np(pthread_self()); */ #else ngx_tid_t ngx_thread_tid(void) { return (uint64_t) (uintptr_t) pthread_self(); } #endif