diff options
author | 2017-11-01 13:32:44 +0100 | |
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committer | 2017-11-01 13:32:44 +0100 | |
commit | e47e5c8339c3496015f667b7f71a6d673807141d (patch) | |
tree | 6a96dfe52bbd5e43924f35ddc884c7efa1899d2b /src | |
parent | e4469a55553423344e8b6fe5251eeb58e7c3e9bd (diff) |
verbose: Ensure mutual exclusion when logging
Change-Id: I3ccc2ba35ee8db3d62eb229c736e65b2305184e3
Signed-off-by: José Bollo <jose.bollo@iot.bzh>
Diffstat (limited to 'src')
-rw-r--r-- | src/verbose.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/verbose.c b/src/verbose.c index f330c6f5..e96627ed 100644 --- a/src/verbose.c +++ b/src/verbose.c @@ -85,6 +85,7 @@ void verbose_set_name(const char *name, int authority) #include <errno.h> #include <string.h> #include <sys/uio.h> +#include <pthread.h> static const char *appname; @@ -105,6 +106,8 @@ static int tty; static const char chars[] = { '\n', '?', ':', ' ', '[', ',', ']' }; +static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; + static void _vverbose_(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args) { char buffer[4000]; @@ -169,7 +172,9 @@ static void _vverbose_(int loglevel, const char *file, int line, const char *fun iov[n].iov_base = (void*)&chars[0]; iov[n++].iov_len = 1; + pthread_mutex_lock(&mutex); writev(STDERR_FILENO, iov, n); + pthread_mutex_unlock(&mutex); errno = saverr; } |