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fixed bugs in handling streams.

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This commit is contained in:
crs
2001-10-21 00:21:02 +00:00
parent 3cfbc0f68c
commit 8d1cf844c7
6 changed files with 74 additions and 14 deletions
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32
mt/CThreadRep.cpp
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@@ -15,6 +15,18 @@
// FIXME -- temporary exception type
class XThreadUnavailable { };
#ifndef NDEBUG
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
static void threadDebug(int)
{
if (fork() == 0) abort();
else { wait(0); exit(1); }
}
#endif
//
// CThreadRep
//
@@ -122,21 +134,31 @@ void CThreadRep::initThreads()
#if defined(CONFIG_PTHREADS)
// install SIGWAKEUP handler
struct sigaction act;
act.sa_handler = &threadCancel;
sigemptyset(&act.sa_mask);
# if defined(SA_INTERRUPT)
act.sa_flags = SA_INTERRUPT;
# else
act.sa_flags = 0;
# endif
sigemptyset(&act.sa_mask);
act.sa_handler = &threadCancel;
sigaction(SIGWAKEUP, &act, NULL);
# ifndef NDEBUG
act.sa_handler = &threadDebug;
sigaction(SIGSEGV, &act, NULL);
# endif
#endif
// set signal mask
sigset_t sigset;
sigemptyset(&sigset);
sigaddset(&sigset, SIGWAKEUP);
#ifndef NDEBUG
sigaddset(&sigset, SIGSEGV);
#endif
pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
sigemptyset(&sigset);
sigaddset(&sigset, SIGPIPE);
pthread_sigmask(SIG_BLOCK, &sigset, NULL);
}
}
@@ -368,7 +390,13 @@ void* CThreadRep::threadFunc(void* arg)
sigset_t sigset;
sigemptyset(&sigset);
sigaddset(&sigset, SIGWAKEUP);
#ifndef NDEBUG
sigaddset(&sigset, SIGSEGV);
#endif
pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
sigemptyset(&sigset);
sigaddset(&sigset, SIGPIPE);
pthread_sigmask(SIG_BLOCK, &sigset, NULL);
// run thread
rep->doThreadFunc();