From: Ilia Alshanetsky <iliaa@php.net>
Date: Tue, 18 Feb 2003 01:07:57 +0000 (+0000)
Subject: Added nice() function, which allows changing of priority for the current
X-Git-Tag: RELEASE_0_5~928
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0fd1009fcc040048123abe9658d4d3e8b86c3c20;p=php

Added nice() function, which allows changing of priority for the current
process.
---

diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index 1325930511..942d381380 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -424,6 +424,10 @@ function_entry basic_functions[] = {
 	PHP_FE(proc_get_status,													NULL)
 #endif
 
+#ifdef HAVE_NICE
+	PHP_FE(nice,														NULL)	
+#endif
+
 	PHP_FE(rand,															NULL)
 	PHP_FE(srand,															NULL)
 	PHP_FE(getrandmax,														NULL)
diff --git a/ext/standard/config.m4 b/ext/standard/config.m4
index 28a945f0b7..2932184552 100644
--- a/ext/standard/config.m4
+++ b/ext/standard/config.m4
@@ -274,6 +274,11 @@ PHP_CHECK_FUNC(res_nsend, resolv, bind, socket)
 PHP_CHECK_FUNC(dn_expand, resolv, bind, socket)
 dnl already done PHP_CHECK_FUNC(dn_skipname, resolv, bind, socket)
 
+dnl
+dnl Check for the availability of the nice function
+dnl
+PHP_CHECK_FUNC(nice)
+
 PHP_NEW_EXTENSION(standard, array.c base64.c basic_functions.c browscap.c crc32.c crypt.c \
                             cyr_convert.c datetime.c dir.c dl.c dns.c exec.c file.c filestat.c \
                             flock_compat.c formatted_print.c fsock.c head.c html.c image.c \
diff --git a/ext/standard/exec.c b/ext/standard/exec.c
index 13ed72a6ac..d37dcb6cd6 100644
--- a/ext/standard/exec.c
+++ b/ext/standard/exec.c
@@ -45,6 +45,10 @@
 #include <fcntl.h>
 #endif
 
+#if HAVE_NICE && HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
 /* {{{ php_Exec
  * If type==0, only last line of output is returned (exec)
  * If type==1, all lines will be printed and last lined returned (system)
@@ -487,6 +491,29 @@ PHP_FUNCTION(shell_exec)
 }
 /* }}} */
 
+#ifdef HAVE_NICE
+/* {{{ proto bool nice(int priority)
+   Change the priority of the current process */
+PHP_FUNCTION(nice)
+{
+	long pri;
+
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &pri) == FAILURE) {
+		RETURN_FALSE;
+	}
+
+	errno = 0;
+	nice(pri);
+	if (errno) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only a super user may attempt to increase the process priority.");
+		RETURN_FALSE;
+	}
+	
+	RETURN_TRUE;
+}
+/* }}} */
+#endif
+
 /*
  * Local variables:
  * tab-width: 4
diff --git a/ext/standard/exec.h b/ext/standard/exec.h
index 796701317f..fd1c5e39c5 100644
--- a/ext/standard/exec.h
+++ b/ext/standard/exec.h
@@ -31,6 +31,7 @@ PHP_FUNCTION(proc_open);
 PHP_FUNCTION(proc_get_status);
 PHP_FUNCTION(proc_close);
 PHP_FUNCTION(proc_terminate);
+PHP_FUNCTION(nice);
 PHP_MINIT_FUNCTION(proc_open);
 
 char *php_escape_shell_cmd(char *);