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| author | Eric Andersen <andersen@codepoet.org> | 2000-08-21 19:25:16 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2000-08-21 19:25:16 +0000 |
| commit | be0dc0d06a730bd3a9e7567af6918a673d5135ee (patch) | |
| tree | 502706beed7931e673ea0436e912873e84ba2577 /modutils | |
| parent | b2fc5a06479bb0fcf0f39bea756a5994cbca72b8 (diff) | |
| download | busybox-w32-be0dc0d06a730bd3a9e7567af6918a673d5135ee.tar.gz busybox-w32-be0dc0d06a730bd3a9e7567af6918a673d5135ee.tar.bz2 busybox-w32-be0dc0d06a730bd3a9e7567af6918a673d5135ee.zip | |
lsmod now uses the query_module syscall, rather then /proc
-Erik
Diffstat (limited to 'modutils')
| -rw-r--r-- | modutils/lsmod.c | 82 |
1 files changed, 72 insertions, 10 deletions
diff --git a/modutils/lsmod.c b/modutils/lsmod.c index 6eb9c56b8..2a238cd23 100644 --- a/modutils/lsmod.c +++ b/modutils/lsmod.c | |||
| @@ -22,19 +22,81 @@ | |||
| 22 | */ | 22 | */ |
| 23 | 23 | ||
| 24 | #include "internal.h" | 24 | #include "internal.h" |
| 25 | #include <stdlib.h> | ||
| 25 | #include <stdio.h> | 26 | #include <stdio.h> |
| 27 | #include <stddef.h> | ||
| 28 | #include <errno.h> | ||
| 29 | #include <unistd.h> | ||
| 30 | #include <dirent.h> | ||
| 31 | #include <ctype.h> | ||
| 32 | #include <assert.h> | ||
| 33 | #include <getopt.h> | ||
| 34 | #include <sys/utsname.h> | ||
| 35 | |||
| 36 | |||
| 37 | |||
| 38 | struct module_info | ||
| 39 | { | ||
| 40 | unsigned long addr; | ||
| 41 | unsigned long size; | ||
| 42 | unsigned long flags; | ||
| 43 | long usecount; | ||
| 44 | }; | ||
| 45 | |||
| 46 | |||
| 47 | int query_module(const char *name, int which, void *buf, size_t bufsize, | ||
| 48 | size_t *ret); | ||
| 49 | |||
| 50 | /* Values for query_module's which. */ | ||
| 51 | #define QM_MODULES 1 | ||
| 52 | #define QM_DEPS 2 | ||
| 53 | #define QM_REFS 3 | ||
| 54 | #define QM_SYMBOLS 4 | ||
| 55 | #define QM_INFO 5 | ||
| 56 | |||
| 26 | 57 | ||
| 27 | 58 | ||
| 28 | extern int lsmod_main(int argc, char **argv) | 59 | extern int lsmod_main(int argc, char **argv) |
| 29 | { | 60 | { |
| 30 | #if defined BB_FEATURE_USE_DEVPS_PATCH | 61 | struct module_info info; |
| 31 | char *filename = "/dev/modules"; | 62 | char *module_names, *mn, *deps, *dn; |
| 32 | #else | 63 | size_t bufsize, nmod, count, i, j; |
| 33 | #if ! defined BB_FEATURE_USE_PROCFS | 64 | |
| 34 | #error Sorry, I depend on the /proc filesystem right now. | 65 | module_names = xmalloc(bufsize = 256); |
| 35 | #endif | 66 | deps = xmalloc(bufsize); |
| 36 | char *filename = "/proc/modules"; | 67 | if (query_module(NULL, QM_MODULES, module_names, bufsize, &nmod)) { |
| 37 | #endif | 68 | fatalError("QM_MODULES: %s\n", strerror(errno)); |
| 38 | 69 | } | |
| 39 | return(print_file_by_name(filename)); | 70 | |
| 71 | printf("Module Size Used by\n"); | ||
| 72 | for (i = 0, mn = module_names; i < nmod; mn += strlen(mn) + 1, i++) { | ||
| 73 | if (query_module(mn, QM_INFO, &info, sizeof(info), &count)) { | ||
| 74 | if (errno == ENOENT) { | ||
| 75 | /* The module was removed out from underneath us. */ | ||
| 76 | continue; | ||
| 77 | } | ||
| 78 | /* else choke */ | ||
| 79 | fatalError("module %s: QM_INFO: %s\n", mn, strerror(errno)); | ||
| 80 | } | ||
| 81 | while (query_module(mn, QM_REFS, deps, bufsize, &count)) { | ||
| 82 | if (errno == ENOENT) { | ||
| 83 | /* The module was removed out from underneath us. */ | ||
| 84 | continue; | ||
| 85 | } | ||
| 86 | if (errno != ENOSPC) { | ||
| 87 | fatalError("module %s: QM_REFS: %s", mn, strerror(errno)); | ||
| 88 | } | ||
| 89 | deps = xrealloc(deps, bufsize = count); | ||
| 90 | } | ||
| 91 | printf("%-20s%8lu%4ld ", mn, info.size, info.usecount); | ||
| 92 | if (count) printf("["); | ||
| 93 | for (j = 0, dn = deps; j < count; dn += strlen(dn) + 1, j++) { | ||
| 94 | printf("%s%s", dn, (j==count-1)? "":" "); | ||
| 95 | } | ||
| 96 | if (count) printf("]"); | ||
| 97 | printf("\n"); | ||
| 98 | } | ||
| 99 | |||
| 100 | |||
| 101 | return( 0); | ||
| 40 | } | 102 | } |