diff options
Diffstat (limited to 'src/corelib/kernel/qcore_unix_p.h')
| -rw-r--r-- | src/corelib/kernel/qcore_unix_p.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/corelib/kernel/qcore_unix_p.h b/src/corelib/kernel/qcore_unix_p.h index dc946a88e9..fa84710247 100644 --- a/src/corelib/kernel/qcore_unix_p.h +++ b/src/corelib/kernel/qcore_unix_p.h @@ -54,11 +54,13 @@ // #include "qplatformdefs.h" +#include "qatomic.h" #ifndef Q_OS_UNIX # error "qcore_unix_p.h included on a non-Unix system" #endif +#include <string.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> @@ -143,6 +145,22 @@ inline timeval operator*(const timeval &t1, int mul) return normalizedTimeval(tmp); } +inline void qt_ignore_sigpipe() +{ + // Set to ignore SIGPIPE once only. + static QBasicAtomicInt atom = Q_BASIC_ATOMIC_INITIALIZER(0); + if (!atom.load()) { + // More than one thread could turn off SIGPIPE at the same time + // But that's acceptable because they all would be doing the same + // action + struct sigaction noaction; + memset(&noaction, 0, sizeof(noaction)); + noaction.sa_handler = SIG_IGN; + ::sigaction(SIGPIPE, &noaction, 0); + atom.store(1); + } +} + // don't call QT_OPEN or ::open // call qt_safe_open static inline int qt_safe_open(const char *pathname, int flags, mode_t mode = 0777) @@ -265,6 +283,12 @@ static inline qint64 qt_safe_write(int fd, const void *data, qint64 len) #undef QT_WRITE #define QT_WRITE qt_safe_write +static inline qint64 qt_safe_write_nosignal(int fd, const void *data, qint64 len) +{ + qt_ignore_sigpipe(); + return qt_safe_write(fd, data, len); +} + static inline int qt_safe_close(int fd) { register int ret; |