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Do not waste extra memory for each thread, but make thread_pthread.c easier-to-follow as a result. [ruby-core:88475] [Misc #14937] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64375 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
/**********************************************************************
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thread_pthread.h -
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$Author$
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Copyright (C) 2004-2007 Koichi Sasada
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**********************************************************************/
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#ifndef RUBY_THREAD_PTHREAD_H
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#define RUBY_THREAD_PTHREAD_H
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#ifdef HAVE_PTHREAD_NP_H
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#include <pthread_np.h>
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#endif
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#define RB_NATIVETHREAD_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
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#define RB_NATIVETHREAD_COND_INIT PTHREAD_COND_INITIALIZER
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typedef pthread_cond_t rb_nativethread_cond_t;
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typedef struct native_thread_data_struct {
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union {
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struct list_node ubf;
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struct list_node gvl;
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} node;
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#if defined(__GLIBC__) || defined(__FreeBSD__)
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union
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#else
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/*
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* assume the platform condvars are badly implemented and have a
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* "memory" of which mutex they're associated with
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*/
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struct
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#endif
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{
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rb_nativethread_cond_t intr; /* th->interrupt_lock */
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rb_nativethread_cond_t gvlq; /* vm->gvl.lock */
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} cond;
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} native_thread_data_t;
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#undef except
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#undef try
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#undef leave
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#undef finally
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typedef struct rb_global_vm_lock_struct {
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/* fast path */
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const struct rb_thread_struct *acquired;
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rb_nativethread_lock_t lock;
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/* slow path */
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struct list_head waitq;
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const struct rb_thread_struct *timer;
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/* yield */
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rb_nativethread_cond_t switch_cond;
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rb_nativethread_cond_t switch_wait_cond;
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int need_yield;
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int wait_yield;
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} rb_global_vm_lock_t;
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#endif /* RUBY_THREAD_PTHREAD_H */
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