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authorEric Andersen <andersen@codepoet.org>2002-12-05 07:24:08 +0000
committerEric Andersen <andersen@codepoet.org>2002-12-05 07:24:08 +0000
commitdeca106b6dad70ad0a1312a82d762aa8d8ad52ba (patch)
treef11db23c430298ac9da2f3de80ec6c86cc75be70 /libbb/find_pid_by_name.c
parent6f9b45b9eff22c664b93ace82d20669340a762f8 (diff)
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Kill CONFIG_FEATURE_USE_DEVPS_PATCH and the devps patch. I'm not
maintaining it anymore, and it is now terribly out of date. -Erik
Diffstat (limited to 'libbb/find_pid_by_name.c')
-rw-r--r--libbb/find_pid_by_name.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/libbb/find_pid_by_name.c b/libbb/find_pid_by_name.c
index a648137e1..b9c06d724 100644
--- a/libbb/find_pid_by_name.c
+++ b/libbb/find_pid_by_name.c
@@ -27,88 +27,6 @@
27 27
28#define READ_BUF_SIZE 50 28#define READ_BUF_SIZE 50
29 29
30
31/* For Erik's nifty devps device driver */
32#ifdef CONFIG_FEATURE_USE_DEVPS_PATCH
33#include <linux/devps.h>
34
35/* find_pid_by_name()
36 *
37 * This finds the pid of the specified process,
38 * by using the /dev/ps device driver.
39 *
40 * Returns a list of all matching PIDs
41 */
42extern long* find_pid_by_name( const char* pidName)
43{
44 int fd, i, j;
45 char device[] = "/dev/ps";
46 pid_t num_pids;
47 pid_t* pid_array = NULL;
48 long* pidList=NULL;
49
50 /* open device */
51 fd = open(device, O_RDONLY);
52 if (fd < 0)
53 perror_msg_and_die("open failed for `%s'", device);
54
55 /* Find out how many processes there are */
56 if (ioctl (fd, DEVPS_GET_NUM_PIDS, &num_pids)<0)
57 perror_msg_and_die("\nDEVPS_GET_PID_LIST");
58
59 /* Allocate some memory -- grab a few extras just in case
60 * some new processes start up while we wait. The kernel will
61 * just ignore any extras if we give it too many, and will trunc.
62 * the list if we give it too few. */
63 pid_array = (pid_t*) xcalloc( num_pids+10, sizeof(pid_t));
64 pid_array[0] = num_pids+10;
65
66 /* Now grab the pid list */
67 if (ioctl (fd, DEVPS_GET_PID_LIST, pid_array)<0)
68 perror_msg_and_die("\nDEVPS_GET_PID_LIST");
69
70 /* Now search for a match */
71 for (i=1, j=0; i<pid_array[0] ; i++) {
72 char* p;
73 struct pid_info info;
74
75 info.pid = pid_array[i];
76 if (ioctl (fd, DEVPS_GET_PID_INFO, &info)<0)
77 perror_msg_and_die("\nDEVPS_GET_PID_INFO");
78
79 /* Make sure we only match on the process name */
80 p=info.command_line+1;
81 while ((*p != 0) && !isspace(*(p)) && (*(p-1) != '\\')) {
82 (p)++;
83 }
84 if (isspace(*(p)))
85 *p='\0';
86
87 if ((strstr(info.command_line, pidName) != NULL)
88 && (strlen(pidName) == strlen(info.command_line))) {
89 pidList=xrealloc( pidList, sizeof(long) * (j+2));
90 pidList[j++]=info.pid;
91 }
92 }
93 if (pidList) {
94 pidList[j]=0;
95 } else {
96 pidList=xrealloc( pidList, sizeof(long));
97 pidList[0]=-1;
98 }
99
100 /* Free memory */
101 free( pid_array);
102
103 /* close device */
104 if (close (fd) != 0)
105 perror_msg_and_die("close failed for `%s'", device);
106
107 return pidList;
108}
109
110#else /* CONFIG_FEATURE_USE_DEVPS_PATCH */
111
112/* find_pid_by_name() 30/* find_pid_by_name()
113 * 31 *
114 * Modified by Vladimir Oleynik for use with libbb/procps.c 32 * Modified by Vladimir Oleynik for use with libbb/procps.c
@@ -135,7 +53,6 @@ extern long* find_pid_by_name( const char* pidName)
135 pidList[i] = i==0 ? -1 : 0; 53 pidList[i] = i==0 ? -1 : 0;
136 return pidList; 54 return pidList;
137} 55}
138#endif /* CONFIG_FEATURE_USE_DEVPS_PATCH */
139 56
140/* END CODE */ 57/* END CODE */
141/* 58/*