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| author | andersen <andersen@69ca8d6d-28ef-0310-b511-8ec308f3f277> | 2002-12-05 07:24:08 +0000 |
|---|---|---|
| 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maintaining it anymore, and it is now terribly out of date.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 | |||