diff options
Diffstat (limited to 'toys')
| -rw-r--r-- | toys/posix/ps.c | 42 |
1 files changed, 37 insertions, 5 deletions
diff --git a/toys/posix/ps.c b/toys/posix/ps.c index a7ba5b37..625f4377 100644 --- a/toys/posix/ps.c +++ b/toys/posix/ps.c @@ -40,7 +40,7 @@ USE_PS(NEWTOY(ps, "k(sort)*P(ppid)*aAdeflno*p(pid)*s*t*u*U*g*G*wZ[!ol][+Ae]", TO USE_TTOP(NEWTOY(ttop, ">0d#=3n#<1mb", TOYFLAG_USR|TOYFLAG_BIN)) USE_IOTOP(NEWTOY(iotop, "Aabkoqp*u*d#n#", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_STAYROOT|TOYFLAG_LOCALE)) USE_PGREP(NEWTOY(pgrep, "?cld:u*U*t*s*P*g*G*fnovxL:", TOYFLAG_USR|TOYFLAG_BIN)) -USE_PKILL(NEWTOY(pkill, "u*U*t*s*P*g*G*fnovxl:", TOYFLAG_USR|TOYFLAG_BIN)) +USE_PKILL(NEWTOY(pkill, "Vu*U*t*s*P*g*G*fnovxl:", TOYFLAG_USR|TOYFLAG_BIN)) config PS bool "ps" @@ -206,11 +206,12 @@ config PGKILL_COMMON config PKILL bool "pkill" - default n + default y help usage: pkill [-l SIGNAL] [PATTERN] -l SIGNAL to send + -V verbose */ #define FOR_ps @@ -253,6 +254,7 @@ GLOBALS( void *regexes; int signal; + pid_t self; } pgrep; }; @@ -1256,6 +1258,10 @@ void iotop_main(void) if (!(toys.optflags&FLAG_b)) tty_reset(); } +// pkill's plumbing wrap's pgrep's and thus mostly takes place in pgrep's flag +// context, so force pgrep's flags on even when building pkill standalone. +// (All the pgrep/pkill functions drop out when building ps standalone.) +#define FORCE_FLAGS #define CLEANUP_iotop #define FOR_pgrep #include "generated/flags.h" @@ -1271,6 +1277,9 @@ static void show_pgrep(struct carveup *tb) struct regex_list *reg; char *name = tb->str; + // Never match ourselves. + if (TT.pgrep.self == *tb->slot) return; + if (toys.optflags&FLAG_f) name += tb->offset[4]; if (TT.pgrep.regexes) { @@ -1283,7 +1292,17 @@ static void show_pgrep(struct carveup *tb) if (!reg) return; } - printf("%lld%s", *tb->slot, TT.pgrep.d ? TT.pgrep.d : "\n"); + if (TT.pgrep.signal) { + if (kill(*tb->slot, TT.pgrep.signal)) { + char *s = num_to_sig(TT.pgrep.signal); + + if (!s) sprintf(s = toybuf, "%d", TT.pgrep.signal); + + perror_msg("%s->%lld", s, *tb->slot); + } + } + if (!TT.pgrep.signal || TT.tty) + printf("%lld%s", *tb->slot, TT.pgrep.d ? TT.pgrep.d : "\n"); } void pgrep_main(void) @@ -1291,6 +1310,12 @@ void pgrep_main(void) char **arg; struct regex_list *reg; + TT.pgrep.self = getpid(); + + // No signal names start with "L", so no need for "L: " parsing. + if (TT.pgrep.L && 1>(TT.pgrep.signal = sig_to_num(TT.pgrep.L))) + error_exit("bad -L '%s'", TT.pgrep.L); + comma_args(TT.pgrep.G, &TT.GG, "bad -G", parse_rest); comma_args(TT.pgrep.g, &TT.gg, "bad -g", parse_rest); comma_args(TT.pgrep.P, &TT.PP, "bad -P", parse_rest); @@ -1303,8 +1328,10 @@ void pgrep_main(void) !(toys.optflags&(FLAG_G|FLAG_g|FLAG_P|FLAG_s|FLAG_t|FLAG_U|FLAG_u))) if (!toys.optc) help_exit("No PATTERN"); - if (toys.optflags&FLAG_f) TT.bits |= _PS_CMDLINE; - +printf("f=%llx in %llx\n", (long long)FLAG_v, (long long)toys.optflags); + if (toys.optflags&FLAG_f) {TT.bits |= _PS_CMDLINE; +printf("got f\n"); +} for (arg = toys.optargs; *arg; arg++) { reg = xmalloc(sizeof(struct regex_list)); xregcomp(®->reg, *arg, REG_EXTENDED); @@ -1318,8 +1345,13 @@ void pgrep_main(void) if (TT.pgrep.d) xputc('\n'); } +#define CLEANUP_pgrep +#define FOR_pkill +#include "generated/flags.h" + void pkill_main(void) { if (!TT.pgrep.L) TT.pgrep.signal = SIGTERM; + if (toys.optflags & FLAG_V) TT.tty = 1; pgrep_main(); } |