signal_blocker.h File Reference

#include "platform/assert.h"
#include "platform/globals.h"
#include <pthread.h>
#include <signal.h>

Go to the source code of this file.

Classes
class	dart::ThreadSignalBlocker

Namespaces
namespace	dart

Macros
#define	TEMP_FAILURE_RETRY(expression)
#define	VOID_TEMP_FAILURE_RETRY(expression)    (static_cast<void>(TEMP_FAILURE_RETRY(expression)))
#define	NO_RETRY_EXPECTED(expression)
#define	VOID_NO_RETRY_EXPECTED(expression)    (static_cast<void>(NO_RETRY_EXPECTED(expression)))
#define	CHECK_IS_BLOCKING(signal)
#define	TEMP_FAILURE_RETRY_NO_SIGNAL_BLOCKER(expression)
#define	VOID_TEMP_FAILURE_RETRY_NO_SIGNAL_BLOCKER(expression)    (static_cast<void>(TEMP_FAILURE_RETRY_NO_SIGNAL_BLOCKER(expression)))

Macro Definition Documentation

CHECK_IS_BLOCKING

#define CHECK_IS_BLOCKING

(

signal

)

Value:

  ({                                                                           \
    sigset_t signal_mask;                                                      \
    int __r = pthread_sigmask(SIG_BLOCK, nullptr, &signal_mask);               \
    USE(__r);                                                                  \
    ASSERT(__r == 0);                                                          \
    sigismember(&signal_mask, signal);                                         \
  })

Definition at line 88 of file signal_blocker.h.

NO_RETRY_EXPECTED

#define NO_RETRY_EXPECTED

(

expression

)

Value:

  ({                                                                           \
    intptr_t __result = (expression);                                          \
    if (__result == -1L && errno == EINTR) {                                   \
      FATAL("Unexpected EINTR errno");                                         \
    }                                                                          \
    __result;                                                                  \
  })

Definition at line 75 of file signal_blocker.h.

TEMP_FAILURE_RETRY

#define TEMP_FAILURE_RETRY

(

expression

)

Value:

  ({                                                                           \
    ThreadSignalBlocker tsb(SIGPROF);                                          \
    intptr_t __result;                                                         \
    do {                                                                       \
      __result = (expression);                                                 \
    } while ((__result == -1L) && (errno == EINTR));                           \
    __result;                                                                  \
  })

Definition at line 58 of file signal_blocker.h.

TEMP_FAILURE_RETRY_NO_SIGNAL_BLOCKER

#define TEMP_FAILURE_RETRY_NO_SIGNAL_BLOCKER

(

expression

)

Value:

  ({                                                                           \
    intptr_t __result;                                                         \
    ASSERT(CHECK_IS_BLOCKING(SIGPROF));                                        \
    do {                                                                       \
      __result = (expression);                                                 \
    } while ((__result == -1L) && (errno == EINTR));                           \
    __result;                                                                  \
  })

Definition at line 99 of file signal_blocker.h.

VOID_NO_RETRY_EXPECTED

#define VOID_NO_RETRY_EXPECTED

(

expression

)

(static_cast<void>(NO_RETRY_EXPECTED(expression)))

Definition at line 84 of file signal_blocker.h.

VOID_TEMP_FAILURE_RETRY

#define VOID_TEMP_FAILURE_RETRY

(

expression

)

(static_cast<void>(TEMP_FAILURE_RETRY(expression)))

Definition at line 70 of file signal_blocker.h.

VOID_TEMP_FAILURE_RETRY_NO_SIGNAL_BLOCKER

#define VOID_TEMP_FAILURE_RETRY_NO_SIGNAL_BLOCKER

(

expression

)

(static_cast<void>(TEMP_FAILURE_RETRY_NO_SIGNAL_BLOCKER(expression)))

Definition at line 109 of file signal_blocker.h.