From 7e61b3de06a190aa9e84b3fc0070ee27e57770d1 Mon Sep 17 00:00:00 2001
From: Lukas Fleischer <calcurse@cryptocrack.de>
Date: Sat, 2 Jul 2011 07:33:26 +0200
Subject: Add child_wait() function
Can be used to wait for the termination of a child process.
Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
---
src/calcurse.h | 1 +
src/utils.c | 16 ++++++++++++++++
2 files changed, 17 insertions(+)
diff --git a/src/calcurse.h b/src/calcurse.h
index cb9ea93..dec14c4 100644
--- a/src/calcurse.h
+++ b/src/calcurse.h
@@ -880,6 +880,7 @@ void str_toupper (char *);
void file_close (FILE *, const char *);
void psleep (unsigned);
int fork_exec (int *, int *, const char *, char *const *);
+int child_wait (int *, int *, int);
/* vars.c */
extern int col, row;
diff --git a/src/utils.c b/src/utils.c
index 61c87a1..75e702b 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -43,6 +43,7 @@
#include <sys/types.h>
#include <errno.h>
#include <fcntl.h>
+#include <sys/wait.h>
#include "calcurse.h"
@@ -789,3 +790,18 @@ fork_exec (int *pfdin, int *pfdout, const char *path, char *const *arg)
}
return pid;
}
+
+/* Wait for a child process to terminate. */
+int
+child_wait (int *pfdin, int *pfdout, int pid)
+{
+ int stat;
+
+ if (pfdin)
+ close (*pfdin);
+ if (pfdout)
+ close (*pfdout);
+
+ waitpid (pid, &stat, 0);
+ return stat;
+}
--
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