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author | andersen <andersen@69ca8d6d-28ef-0310-b511-8ec308f3f277> | 2002-12-05 07:24:08 +0000 |
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committer | andersen <andersen@69ca8d6d-28ef-0310-b511-8ec308f3f277> | 2002-12-05 07:24:08 +0000 |
commit | 49ec1a2dc6dfba670b3659286524fd5baf12e6fe (patch) | |
tree | f11db23c430298ac9da2f3de80ec6c86cc75be70 /procps/ps.c | |
parent | 8a500b97872ecfd6495c1cb6be98bc594627b311 (diff) | |
download | busybox-w32-49ec1a2dc6dfba670b3659286524fd5baf12e6fe.tar.gz busybox-w32-49ec1a2dc6dfba670b3659286524fd5baf12e6fe.tar.bz2 busybox-w32-49ec1a2dc6dfba670b3659286524fd5baf12e6fe.zip |
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maintaining it anymore, and it is now terribly out of date.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
git-svn-id: svn://busybox.net/trunk/busybox@6101 69ca8d6d-28ef-0310-b511-8ec308f3f277
Diffstat (limited to 'procps/ps.c')
-rw-r--r-- | procps/ps.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/procps/ps.c b/procps/ps.c index cf2f2b0c4..5ccac7a95 100644 --- a/procps/ps.c +++ b/procps/ps.c | |||
@@ -20,12 +20,6 @@ | |||
20 | * Place, Suite 330, Boston, MA 02111-1307 USA | 20 | * Place, Suite 330, Boston, MA 02111-1307 USA |
21 | */ | 21 | */ |
22 | 22 | ||
23 | /* | ||
24 | * This contains _two_ implementations of ps for Linux. One uses the | ||
25 | * traditional /proc virtual filesystem, and the other use the devps kernel | ||
26 | * driver (written by Erik Andersen to avoid using /proc thereby saving 100k+). | ||
27 | */ | ||
28 | |||
29 | #include <stdio.h> | 23 | #include <stdio.h> |
30 | #include <stdlib.h> | 24 | #include <stdlib.h> |
31 | #include <unistd.h> | 25 | #include <unistd.h> |
@@ -42,8 +36,6 @@ static const int TERMINAL_WIDTH = 79; /* not 80 in case terminal has linefo | |||
42 | 36 | ||
43 | 37 | ||
44 | 38 | ||
45 | #if ! defined CONFIG_FEATURE_USE_DEVPS_PATCH | ||
46 | |||
47 | extern int ps_main(int argc, char **argv) | 39 | extern int ps_main(int argc, char **argv) |
48 | { | 40 | { |
49 | procps_status_t * p; | 41 | procps_status_t * p; |
@@ -91,99 +83,3 @@ extern int ps_main(int argc, char **argv) | |||
91 | return EXIT_SUCCESS; | 83 | return EXIT_SUCCESS; |
92 | } | 84 | } |
93 | 85 | ||
94 | |||
95 | #else /* CONFIG_FEATURE_USE_DEVPS_PATCH */ | ||
96 | |||
97 | |||
98 | /* The following is the second ps implementation -- | ||
99 | * this one uses the nifty new devps kernel device. | ||
100 | */ | ||
101 | |||
102 | #include <linux/devps.h> /* For Erik's nifty devps device driver */ | ||
103 | |||
104 | |||
105 | extern int ps_main(int argc, char **argv) | ||
106 | { | ||
107 | char device[] = "/dev/ps"; | ||
108 | int i, j, len, fd; | ||
109 | pid_t num_pids; | ||
110 | pid_t* pid_array = NULL; | ||
111 | struct pid_info info; | ||
112 | char uidName[9]; | ||
113 | #ifdef CONFIG_FEATURE_AUTOWIDTH | ||
114 | struct winsize win = { 0, 0, 0, 0 }; | ||
115 | int terminal_width = TERMINAL_WIDTH; | ||
116 | #else | ||
117 | #define terminal_width TERMINAL_WIDTH | ||
118 | #endif | ||
119 | |||
120 | if (argc > 1 && **(argv + 1) == '-') | ||
121 | show_usage(); | ||
122 | |||
123 | /* open device */ | ||
124 | fd = open(device, O_RDONLY); | ||
125 | if (fd < 0) | ||
126 | perror_msg_and_die( "open failed for `%s'", device); | ||
127 | |||
128 | /* Find out how many processes there are */ | ||
129 | if (ioctl (fd, DEVPS_GET_NUM_PIDS, &num_pids)<0) | ||
130 | perror_msg_and_die( "\nDEVPS_GET_PID_LIST"); | ||
131 | |||
132 | /* Allocate some memory -- grab a few extras just in case | ||
133 | * some new processes start up while we wait. The kernel will | ||
134 | * just ignore any extras if we give it too many, and will trunc. | ||
135 | * the list if we give it too few. */ | ||
136 | pid_array = (pid_t*) xcalloc( num_pids+10, sizeof(pid_t)); | ||
137 | pid_array[0] = num_pids+10; | ||
138 | |||
139 | /* Now grab the pid list */ | ||
140 | if (ioctl (fd, DEVPS_GET_PID_LIST, pid_array)<0) | ||
141 | perror_msg_and_die("\nDEVPS_GET_PID_LIST"); | ||
142 | |||
143 | #ifdef CONFIG_FEATURE_AUTOWIDTH | ||
144 | ioctl(fileno(stdout), TIOCGWINSZ, &win); | ||
145 | if (win.ws_col > 0) | ||
146 | terminal_width = win.ws_col - 1; | ||
147 | #endif | ||
148 | |||
149 | /* Print up a ps listing */ | ||
150 | printf(" PID Uid Stat Command\n"); | ||
151 | |||
152 | for (i=1; i<pid_array[0] ; i++) { | ||
153 | info.pid = pid_array[i]; | ||
154 | |||
155 | if (ioctl (fd, DEVPS_GET_PID_INFO, &info)<0) | ||
156 | perror_msg_and_die("\nDEVPS_GET_PID_INFO"); | ||
157 | |||
158 | /* Make some adjustments as needed */ | ||
159 | my_getpwuid(uidName, info.euid); | ||
160 | |||
161 | if(p.vmsize == 0) | ||
162 | len = printf("%5d %-8s %c ", p.pid, uidName, p.state); | ||
163 | else | ||
164 | len = printf("%5d %-8s %6d %c ", p.pid, uidName, p.vmsize, p.state); | ||
165 | if (strlen(info.command_line) > 1) { | ||
166 | for( j=0; j<(sizeof(info.command_line)-1) && j < (terminal_width-len); j++) { | ||
167 | if (*(info.command_line+j) == '\0' && *(info.command_line+j+1) != '\0') { | ||
168 | *(info.command_line+j) = ' '; | ||
169 | } | ||
170 | } | ||
171 | *(info.command_line+j) = '\0'; | ||
172 | puts(info.command_line); | ||
173 | } else { | ||
174 | printf("[%s]\n", info.name); | ||
175 | } | ||
176 | } | ||
177 | |||
178 | /* Free memory */ | ||
179 | free( pid_array); | ||
180 | |||
181 | /* close device */ | ||
182 | if (close (fd) != 0) | ||
183 | perror_msg_and_die("close failed for `%s'", device); | ||
184 | |||
185 | exit (0); | ||
186 | } | ||
187 | |||
188 | #endif /* CONFIG_FEATURE_USE_DEVPS_PATCH */ | ||
189 | |||