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wmail: added signal-handler for SIGINT and SIGTERM.

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This commit is contained in:
Jeremy Sowden 2019-05-27 22:52:14 +01:00 committed by Carlos R. Mafra
parent a3ef21b122
commit 86a8f6f0a1
2 changed files with 27 additions and 1 deletions
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2
wmail/src/config.h
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@ -101,4 +101,6 @@ extern config_t config;
// config manipulation functions
void ReadConfigFile( bool resetConfigStrings );
void ResetConfigStrings( void );
#endif

26
wmail/src/wmail.c
View file

@ -102,6 +102,7 @@ typedef enum {
// data
static unsigned long lastTimeOut;
static sig_atomic_t caughtSig;
mail_state_t state = STATE_NOMAIL;
int numMails = 0;
bool namesChanged = false;
@ -162,6 +163,7 @@ static DAProgramOption options[] = {
// prototypes
void PreparePixmaps( bool freeThemFirst );
static void ExitHandler( int sig );
void TimedOut( void );
void CheckTimeOut( bool force );
void CheckMBox( void );
@ -201,6 +203,7 @@ bool HasTickerWork( void );
int main( int argc, char **argv )
{
char *usersHome;
struct sigaction sa = { .sa_handler = ExitHandler };
struct stat fileStat;
XTextProperty windowName;
char *name = argv[0];
@ -213,7 +216,7 @@ int main( int argc, char **argv )
if( config.checksumFileName == NULL ) {
if(( usersHome = getenv( "HOME" )) == NULL ) {
WARNING( "HOME environment-variable is not set, placing %s in current directory!\n", WMAIL_CHECKSUM_FILE );
config.checksumFileName = WMAIL_CHECKSUM_FILE;
config.checksumFileName = strdup( WMAIL_CHECKSUM_FILE );
} else
config.checksumFileName = MakePathName( usersHome, WMAIL_CHECKSUM_FILE );
}
@ -291,6 +294,16 @@ int main( int argc, char **argv )
outPixmap = DAMakePixmap();
PreparePixmaps( false );
if( sigaction( SIGINT, &sa, NULL ) == -1 ) {
perror( "wmail error: sigaction" );
exit( EXIT_FAILURE );
}
if( sigaction( SIGTERM, &sa, NULL ) == -1 ) {
perror( "wmail error: sigaction" );
exit( EXIT_FAILURE );
}
DASetCallbacks( &callbacks );
DASetTimeout (1000 / config.fps);
@ -520,8 +533,19 @@ void RemoveChecksumFile( void )
remove( config.checksumFileName );
}
static void ExitHandler( int sig )
{
caughtSig = 1;
}
void TimedOut( void )
{
if (caughtSig) {
ClearAllNames();
ResetConfigStrings();
exit( EXIT_SUCCESS );
}
CheckTimeOut( true );
}