X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Fproc.c;h=f5438834c1842fa3453b6cc6da62a817e3fd9042;hp=3eb3d8042edc0967bd19f1a7251a710850e4139d;hb=79be1c477e167892b12b77dcef1d298d9d017d3c;hpb=7b5e2fe38e7af696155e687924462c4b9fe951bc

diff --git a/src/ngircd/proc.c b/src/ngircd/proc.c
index 3eb3d804..f5438834 100644
--- a/src/ngircd/proc.c
+++ b/src/ngircd/proc.c
@@ -116,4 +116,31 @@ Proc_GenericSignalHandler(int Signal)
 	}
 }
 
+/**
+ * Read bytes from a pipe of a forked child process.
+ */
+GLOBAL size_t
+Proc_Read(PROC_STAT *proc, void *buffer, size_t buflen)
+{
+	ssize_t bytes_read = 0;
+
+	assert(buffer != NULL);
+	assert(buflen > 0);
+
+	bytes_read = read(proc->pipe_fd, buffer, buflen);
+	if (bytes_read < 0) {
+		if (errno == EAGAIN)
+			return 0;
+		Log(LOG_CRIT, "Can't read from child process %ld: %s",
+		    proc->pid, strerror(errno));
+		bytes_read = 0;
+	}
+#if DEBUG
+	else if (bytes_read == 0)
+		LogDebug("Can't read from child process %ld: EOF", proc->pid);
+#endif
+	Proc_Kill(proc);
+	return (size_t)bytes_read;
+}
+
 /* -eof- */