diff options
| -rw-r--r-- | shell/shell_common.c | 125 |
1 files changed, 53 insertions, 72 deletions
diff --git a/shell/shell_common.c b/shell/shell_common.c index a992682a8..cc518d54b 100644 --- a/shell/shell_common.c +++ b/shell/shell_common.c @@ -339,44 +339,38 @@ struct limits { }; static const struct limits limits_tbl[] = { -/* No RLIMIT_FSIZE define guard since -f is the default limit and this must exist */ + { RLIMIT_CORE, 9, "core file size (blocks)" }, // -c + { RLIMIT_DATA, 10, "data seg size (kb)" }, // -d + { RLIMIT_NICE, 0, "scheduling priority" }, // -e { RLIMIT_FSIZE, 9, "file size (blocks)" }, // -f -#ifdef RLIMIT_CPU - { RLIMIT_CPU, 0, "cpu time (seconds)" }, // -t +#define LIMIT_F_IDX 3 +#ifdef RLIMIT_MEMLOCK + { RLIMIT_MEMLOCK, 10, "max locked memory (kb)" }, // -l #endif -#ifdef RLIMIT_DATA - { RLIMIT_DATA, 10, "data seg size (kb)" }, // -d +#ifdef RLIMIT_RSS + { RLIMIT_RSS, 10, "max memory size (kb)" }, // -m #endif -#ifdef RLIMIT_STACK - { RLIMIT_STACK, 10, "stack size (kb)" }, // -s +#ifdef RLIMIT_NOFILE + { RLIMIT_NOFILE, 0, "open files" }, // -n #endif -#ifdef RLIMIT_CORE - { RLIMIT_CORE, 9, "core file size (blocks)" }, // -c +#ifdef RLIMIT_RTPRIO + { RLIMIT_RTPRIO, 0, "real-time priority" }, // -r #endif -#ifdef RLIMIT_RSS - { RLIMIT_RSS, 10, "max memory size (kb)" }, // -m +#ifdef RLIMIT_STACK + { RLIMIT_STACK, 10, "stack size (kb)" }, // -s #endif -#ifdef RLIMIT_MEMLOCK - { RLIMIT_MEMLOCK, 10, "max locked memory (kb)" }, // -l +#ifdef RLIMIT_CPU + { RLIMIT_CPU, 0, "cpu time (seconds)" }, // -t #endif #ifdef RLIMIT_NPROC { RLIMIT_NPROC, 0, "max user processes" }, // -u #endif -#ifdef RLIMIT_NOFILE - { RLIMIT_NOFILE, 0, "open files" }, // -n -#endif #ifdef RLIMIT_AS { RLIMIT_AS, 10, "virtual memory (kb)" }, // -v #endif #ifdef RLIMIT_LOCKS { RLIMIT_LOCKS, 0, "file locks" }, // -x #endif -#ifdef RLIMIT_NICE - { RLIMIT_NICE, 0, "scheduling priority" }, // -e -#endif -#ifdef RLIMIT_RTPRIO - { RLIMIT_RTPRIO, 0, "real-time priority" }, // -r -#endif }; // bash also has these: //pending signals (-i) 61858 //RLIMIT_SIGPENDING @@ -384,85 +378,73 @@ static const struct limits limits_tbl[] = { //POSIX message queues (bytes, -q) 819200 //RLIMIT_MSGQUEUE static const char limit_chars[] ALIGN1 = + "c" + "d" + "e" "f" -#ifdef RLIMIT_CPU - "t" +#ifdef RLIMIT_MEMLOCK + "l" #endif -#ifdef RLIMIT_DATA - "d" +#ifdef RLIMIT_RSS + "m" #endif -#ifdef RLIMIT_STACK - "s" +#ifdef RLIMIT_NOFILE + "n" #endif -#ifdef RLIMIT_CORE - "c" +#ifdef RLIMIT_RTPRIO + "r" #endif -#ifdef RLIMIT_RSS - "m" +#ifdef RLIMIT_STACK + "s" #endif -#ifdef RLIMIT_MEMLOCK - "l" +#ifdef RLIMIT_CPU + "t" #endif #ifdef RLIMIT_NPROC "u" #endif -#ifdef RLIMIT_NOFILE - "n" -#endif #ifdef RLIMIT_AS "v" #endif #ifdef RLIMIT_LOCKS "x" #endif -#ifdef RLIMIT_NICE - "e" -#endif -#ifdef RLIMIT_RTPRIO - "r" -#endif ; /* "-": treat args as parameters of option with ASCII code 1 */ static const char ulimit_opt_string[] ALIGN1 = "-HSa" + "c::" + "d::" + "e::" "f::" -#ifdef RLIMIT_CPU - "t::" +#ifdef RLIMIT_MEMLOCK + "l::" #endif -#ifdef RLIMIT_DATA - "d::" +#ifdef RLIMIT_RSS + "m::" #endif -#ifdef RLIMIT_STACK - "s::" +#ifdef RLIMIT_NOFILE + "n::" #endif -#ifdef RLIMIT_CORE - "c::" +#ifdef RLIMIT_RTPRIO + "r::" #endif -#ifdef RLIMIT_RSS - "m::" +#ifdef RLIMIT_STACK + "s::" #endif -#ifdef RLIMIT_MEMLOCK - "l::" +#ifdef RLIMIT_CPU + "t::" #endif #ifdef RLIMIT_NPROC "u::" #endif -#ifdef RLIMIT_NOFILE - "n::" -#endif #ifdef RLIMIT_AS "v::" #endif #ifdef RLIMIT_LOCKS "x::" #endif -#ifdef RLIMIT_NICE - "e::" -#endif -#ifdef RLIMIT_RTPRIO - "r::" -#endif - ; +; enum { OPT_hard = (1 << 0), @@ -595,11 +577,10 @@ shell_builtin_ulimit(char **argv) continue; //if (opt_char == 'a') - impossible - i = 0; /* if "ulimit NNN", -f is assumed */ - if (opt_char != 1) { - i = strchrnul(limit_chars, opt_char) - limit_chars; - //if (i >= ARRAY_SIZE(limits_tbl)) - bad option, impossible - } + if (opt_char == 1) /* if "ulimit NNN", -f is assumed */ + opt_char = 'f'; + i = strchrnul(limit_chars, opt_char) - limit_chars; + //if (i >= ARRAY_SIZE(limits_tbl)) - bad option, impossible val_str = optarg; if (!val_str && argv[optind] && argv[optind][0] != '-') @@ -643,8 +624,8 @@ shell_builtin_ulimit(char **argv) if (opt_cnt == 0) { /* "bare ulimit": treat it as if it was -f */ - getrlimit(limits_tbl[0].cmd, &limit); - printlim(opts, &limit, &limits_tbl[0]); + getrlimit(limits_tbl[LIMIT_F_IDX].cmd, &limit); + printlim(opts, &limit, &limits_tbl[LIMIT_F_IDX]); } return EXIT_SUCCESS; |