summaryrefslogtreecommitdiffstats
path: root/generic/tclPipe.c
diff options
context:
space:
mode:
Diffstat (limited to 'generic/tclPipe.c')
-rw-r--r--generic/tclPipe.c80
1 files changed, 22 insertions, 58 deletions
diff --git a/generic/tclPipe.c b/generic/tclPipe.c
index 2ecc5a6..f94fe5c 100644
--- a/generic/tclPipe.c
+++ b/generic/tclPipe.c
@@ -60,7 +60,7 @@ static TclFile FileForRedirect(Tcl_Interp *interp, const char *spec,
static TclFile
FileForRedirect(
- Tcl_Interp *interp, /* Intepreter to use for error reporting. */
+ Tcl_Interp *interp, /* Interpreter to use for error reporting. */
const char *spec, /* Points to character just after redirection
* character. */
int atOK, /* Non-zero means that '@' notation can be
@@ -221,13 +221,13 @@ Tcl_ReapDetachedProcs(void)
{
register Detached *detPtr;
Detached *nextPtr, *prevPtr;
- int status;
- Tcl_Pid pid;
+ int status, code;
Tcl_MutexLock(&pipeMutex);
for (detPtr = detList, prevPtr = NULL; detPtr != NULL; ) {
- pid = Tcl_WaitPid(detPtr->pid, &status, WNOHANG);
- if ((pid == 0) || ((pid == (Tcl_Pid) -1) && (errno != ECHILD))) {
+ status = TclProcessWait(detPtr->pid, WNOHANG, &code, NULL, NULL);
+ if (status == TCL_PROCESS_UNCHANGED || (status == TCL_PROCESS_ERROR
+ && code != ECHILD)) {
prevPtr = detPtr;
detPtr = detPtr->nextPtr;
continue;
@@ -277,38 +277,21 @@ TclCleanupChildren(
{
int result = TCL_OK;
int i, abnormalExit, anyErrorInfo;
- Tcl_Pid pid;
- int waitStatus;
- const char *msg;
- unsigned long resolvedPid;
+ TclProcessWaitStatus waitStatus;
+ int code;
+ Tcl_Obj *msg, *error;
abnormalExit = 0;
for (i = 0; i < numPids; i++) {
- /*
- * We need to get the resolved pid before we wait on it as the windows
- * implementation of Tcl_WaitPid deletes the information such that any
- * following calls to TclpGetPid fail.
- */
-
- resolvedPid = TclpGetPid(pidPtr[i]);
- pid = Tcl_WaitPid(pidPtr[i], &waitStatus, 0);
- if (pid == (Tcl_Pid) -1) {
+ waitStatus = TclProcessWait(pidPtr[i], 0, &code, &msg, &error);
+ if (waitStatus == TCL_PROCESS_ERROR) {
result = TCL_ERROR;
if (interp != NULL) {
- msg = Tcl_PosixError(interp);
- if (errno == ECHILD) {
- /*
- * This changeup in message suggested by Mark Diekhans to
- * remind people that ECHILD errors can occur on some
- * systems if SIGCHLD isn't in its default state.
- */
-
- msg =
- "child process lost (is SIGCHLD ignored or trapped?)";
- }
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "error waiting for process to exit: %s", msg));
+ Tcl_SetObjErrorCode(interp, error);
+ Tcl_SetObjResult(interp, msg);
}
+ Tcl_DecrRefCount(error);
+ Tcl_DecrRefCount(msg);
continue;
}
@@ -319,39 +302,19 @@ TclCleanupChildren(
* removed).
*/
- if (!WIFEXITED(waitStatus) || (WEXITSTATUS(waitStatus) != 0)) {
- char msg1[TCL_INTEGER_SPACE], msg2[TCL_INTEGER_SPACE];
-
+ if (waitStatus != TCL_PROCESS_EXITED || code != 0) {
result = TCL_ERROR;
- sprintf(msg1, "%lu", resolvedPid);
- if (WIFEXITED(waitStatus)) {
+ if (waitStatus == TCL_PROCESS_EXITED) {
if (interp != NULL) {
- sprintf(msg2, "%u", WEXITSTATUS(waitStatus));
- Tcl_SetErrorCode(interp, "CHILDSTATUS", msg1, msg2, NULL);
+ Tcl_SetObjErrorCode(interp, error);
}
abnormalExit = 1;
} else if (interp != NULL) {
- const char *p;
-
- if (WIFSIGNALED(waitStatus)) {
- p = Tcl_SignalMsg(WTERMSIG(waitStatus));
- Tcl_SetErrorCode(interp, "CHILDKILLED", msg1,
- Tcl_SignalId(WTERMSIG(waitStatus)), p, NULL);
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "child killed: %s\n", p));
- } else if (WIFSTOPPED(waitStatus)) {
- p = Tcl_SignalMsg(WSTOPSIG(waitStatus));
- Tcl_SetErrorCode(interp, "CHILDSUSP", msg1,
- Tcl_SignalId(WSTOPSIG(waitStatus)), p, NULL);
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "child suspended: %s\n", p));
- } else {
- Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "child wait status didn't make sense\n", -1));
- Tcl_SetErrorCode(interp, "TCL", "OPERATION", "EXEC",
- "ODDWAITRESULT", msg1, NULL);
- }
+ Tcl_SetObjErrorCode(interp, error);
+ Tcl_SetObjResult(interp, msg);
}
+ Tcl_DecrRefCount(error);
+ Tcl_DecrRefCount(msg);
}
}
@@ -936,6 +899,7 @@ TclCreatePipeline(
pidPtr[numPids] = pid;
numPids++;
+ TclProcessCreated(pid);
/*
* Close off our copies of file descriptors that were set up for this