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thread_pthread.c: restore timer-thread for now :<

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[ruby-core:88306]

Revert "process.c: ensure th->interrupt lock is held when migrating"

This reverts commit 5ca416bdf6 (r64201)

Revert "process.c (rb_waitpid): reduce sigwait_fd bouncing"

This reverts commit 217bdd776f (r64200).

Revert "test/ruby/test_thread.rb (test_thread_timer_and_interrupt): add timeouts"

This reverts commit 9f395f1120 (r64199).

Revert "thread_pthread.c (native_sleep): reduce ppoll sleeps"

This reverts commit b3aa256c4d (r64193).

Revert "thread.c (consume_communication_pipe): do not retry after short read"

This reverts commit 291a82f748 (r64185).

Revert "test/ruby/test_io.rb (test_race_gets_and_close): timeout each thread"

This reverts commit 3dbd8d1f66 (r64184).

Revert "thread_pthread.c (gvl_acquire_common): persist timeout across calls"

This reverts commit 8c2ae6e3ed (r64165).

Revert "test/ruby/test_io.rb (test_race_gets_and_close): use SIGABRT on timeout"

This reverts commit 931cda4db8 (r64135).

Revert "thread_pthread.c (gvl_yield): do ubf wakeups when uncontended"

This reverts commit 508f00314f (r64133).

Revert "thread_pthread.h (native_thread_data): split condvars on some platforms"

This reverts commit a038bf238b (r64124).

Revert "process.c (waitpid_nogvl): prevent conflicting use of sleep_cond"

This reverts commit 7018acc946 (r64117).

Revert "thread_pthread.c (rb_sigwait_sleep): th may be 0 from MJIT"

This reverts commit 56491afc79 (r64116).

Revert "thread*.c: waiting on sigwait_fd performs periodic ubf wakeups"

This reverts commit ab47a57a46 (r64115).

Revert "thread_pthread.c (gvl_destroy): make no-op on GVL bits"

This reverts commit 95cae74817 (r64114).

Revert "thread_pthread.c (rb_sigwait_sleep): fix uninitialized poll set in UBF case"

This reverts commit 4514362948 (r64113).

Revert "thread_pthread.c (rb_sigwait_sleep): re-fix [Bug #5343] harder"

This reverts commit 26b8a70bb3 (r64111).

Revert "thread.c: move ppoll wrapper into thread_pthread.c"

This reverts commit 3dc7727d22 (r64110).

Revert "thread.c: move ppoll wrapper before thread_pthread.c"

This reverts commit 2fa1e2e3c3 (r64109).

Revert "thread_pthread.c (ubf_select): refix [Bug #5343]"

This reverts commit 4c1ab82f06 (r64108).

Revert "thread_win32.c: suppress warnings by -Wsuggest-attribute"

This reverts commit 6a9b63e390 (r64159).

Revert "thread_pthread: remove timer-thread by restructuring GVL"

This reverts commit 708bfd2115 (r64107).

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
normal 2018-08-06 05:22:00 +00:00
parent 828158704c
commit 194a6a2c68
11 changed files with 577 additions and 739 deletions
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20
thread_pthread.h
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@ -22,19 +22,7 @@ typedef pthread_cond_t rb_nativethread_cond_t;
typedef struct native_thread_data_struct {
struct list_node ubf_list;
#if defined(__GLIBC__) || defined(__FreeBSD__)
union
#else
/*
* assume the platform condvars are badly implemented and have a
* "memory" of which mutex they're associated with
*/
struct
#endif
{
rb_nativethread_cond_t intr; /* th->interrupt_lock */
rb_nativethread_cond_t gvlq; /* vm->gvl.lock */
} cond;
rb_nativethread_cond_t sleep_cond;
} native_thread_data_t;
#undef except
@ -44,12 +32,12 @@ typedef struct native_thread_data_struct {
typedef struct rb_global_vm_lock_struct {
/* fast path */
const struct rb_thread_struct *acquired;
unsigned long acquired;
rb_nativethread_lock_t lock;
/* slow path */
struct list_head waitq;
const struct rb_thread_struct *timer;
volatile unsigned long waiting;
rb_nativethread_cond_t cond;
/* yield */
rb_nativethread_cond_t switch_cond;