libelwix/src/pio.c - diff

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Diff for /libelwix/src/pio.c between versions 1.1.2.1 and 1.1.2.2

version 1.1.2.1, 2013/12/05 14:56:42	version 1.1.2.2, 2013/12/05 15:04:20
Line 3	Line 3

extern char **environ;	extern char **environ;

pio_pid_t pio_pidlist = = SLIST_HEAD_INITIALIZER(pio_pidlist);	pio_pid_t pio_pidlist = SLIST_HEAD_INITIALIZER(pio_pidlist);
static pthread_mutex_t pidlist_mutex = PTHREAD_MUTEX_INITIALIZER;	static pthread_mutex_t pidlist_mutex = PTHREAD_MUTEX_INITIALIZER;

#define THREAD_LOCK() if (__isthreaded) pthread_mutex_lock(&pidlist_mutex)	#define THREAD_LOCK() if (__isthreaded) pthread_mutex_lock(&pidlist_mutex)
Line 21 static pthread_mutex_t pidlist_mutex = PTHREAD_MUTEX_I	Line 21 static pthread_mutex_t pidlist_mutex = PTHREAD_MUTEX_I
FILE *	FILE *
e_popen(const char command, const char type, pid_t *ppid)	e_popen(const char command, const char type, pid_t *ppid)
{	{
struct tagPIOPID *cur;	struct tagPIOPID cur, p;
FILE *iop;	FILE *iop;
int pdes[2], pid, twoway, cloexec;	int pdes[2], pid, twoway, cloexec;
char *argv[4];	char *argv[4];
struct pid *p;

cloexec = strchr(type, 'e') != NULL;	cloexec = strchr(type, 'e') != NULL;
/*	/*
Line 44 e_popen(const char command, const char type, pid_t *	Line 43 e_popen(const char command, const char type, pid_t *
if ((cloexec ? pipe2(pdes, O_CLOEXEC) : pipe(pdes)) < 0)	if ((cloexec ? pipe2(pdes, O_CLOEXEC) : pipe(pdes)) < 0)
return (NULL);	return (NULL);

if ((cur = e_malloc(sizeof(struct pid))) == NULL) {	if (!(cur = e_malloc(sizeof(struct tagPIOPID)))) {
close(pdes[0]);	close(pdes[0]);
close(pdes[1]);	close(pdes[1]);
return (NULL);	return (NULL);
Line 137 e_popen(const char command, const char type, pid_t *	Line 136 e_popen(const char command, const char type, pid_t *
int	int
e_pclose(FILE *iop)	e_pclose(FILE *iop)
{	{
struct pid cur, last = NULL;	struct tagPIOPID cur, last = NULL;
int pstat;	int pstat;
pid_t pid;	pid_t pid;

Line 150 e_pclose(FILE *iop)	Line 149 e_pclose(FILE *iop)
break;	break;
last = cur;	last = cur;
}	}
if (cur == NULL) {	if (!cur) {
THREAD_UNLOCK();	THREAD_UNLOCK();
return (-1);	return (-1);
}	}
if (last == NULL)	if (!last)
SLIST_REMOVE_HEAD(&pio_pidlist, next);	SLIST_REMOVE_HEAD(&pio_pidlist, next);
else	else
SLIST_REMOVE_AFTER(last, next);	SLIST_REMOVE_AFTER(last, next);
Line 163 e_pclose(FILE *iop)	Line 162 e_pclose(FILE *iop)
fclose(iop);	fclose(iop);

do {	do {
pid = wait4(cur->pid, &pstat, 0, (struct rusage *)0);	pid = wait4(cur->pid, &pstat, 0, NULL);
} while (pid == -1 && errno == EINTR);	} while (pid == -1 && errno == EINTR);

e_free(cur);	e_free(cur);

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Removed from v.1.1.2.1
changed lines
	Added in v.1.1.2.2