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Fix: make sure 51c928a8ef works when programs terminate by themselves

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This commit is contained in:
Nikolas Garofil 2009-07-29 21:27:00 +02:00
parent 51c928a8ef
commit 9ad3b9d8bc
1 changed files with 6 additions and 4 deletions
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10
src/conky.c
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@ -675,7 +675,7 @@ FILE* pid_popen(const char *command, const char *mode, pid_t *child) {
return NULL;
} else if(*child > 0) {
close(childend);
waitpid(*child, NULL, WNOHANG);
waitpid(*child, NULL, 0);
} else {
//don't read from both stdin and pipe or write to both stdout and pipe
if(childend == ends[0]) {
@ -692,14 +692,15 @@ FILE* pid_popen(const char *command, const char *mode, pid_t *child) {
static inline void read_exec(const char *data, char *buf, const int size)
{
FILE *fp = pid_popen(data, "r", &childpid);
FILE *fp;
alarm(update_interval);
fp = pid_popen(data, "r", &childpid);
if(fp) {
int length;
alarm(update_interval);
length = fread(buf, 1, size, fp);
pclose(fp);
alarm(0);
buf[length] = '\0';
if (length > 0 && buf[length - 1] == '\n') {
buf[length - 1] = '\0';
@ -707,6 +708,7 @@ static inline void read_exec(const char *data, char *buf, const int size)
} else {
buf[0] = '\0';
}
alarm(0);
}
void *threaded_exec(void *) __attribute__((noreturn));