From 01c12e7ac7bd0c95099dbe299f049c59081e35bc Mon Sep 17 00:00:00 2001 From: Laurent Bercot Date: Tue, 20 Mar 2018 18:21:19 +0000 Subject: Add s6-svdt, change default max tally to 100, add doc, prepare for 2.7.1.0 --- src/supervision/deps-exe/s6-svdt | 2 ++ src/supervision/s6-supervise.c | 2 +- src/supervision/s6-svdt.c | 74 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 77 insertions(+), 1 deletion(-) create mode 100644 src/supervision/deps-exe/s6-svdt create mode 100644 src/supervision/s6-svdt.c (limited to 'src') diff --git a/src/supervision/deps-exe/s6-svdt b/src/supervision/deps-exe/s6-svdt new file mode 100644 index 0000000..08815d9 --- /dev/null +++ b/src/supervision/deps-exe/s6-svdt @@ -0,0 +1,2 @@ +${LIBS6} +-lskarnet diff --git a/src/supervision/s6-supervise.c b/src/supervision/s6-supervise.c index 00c2358..4696004 100644 --- a/src/supervision/s6-supervise.c +++ b/src/supervision/s6-supervise.c @@ -343,7 +343,7 @@ static int uplastup_z (void) { unsigned int n ; - if (!read_uint("max-death-tally", &n)) n = 20 ; + if (!read_uint("max-death-tally", &n)) n = 100 ; if (n > S6_MAX_DEATH_TALLY) n = S6_MAX_DEATH_TALLY ; if (n) { diff --git a/src/supervision/s6-svdt.c b/src/supervision/s6-svdt.c new file mode 100644 index 0000000..b204934 --- /dev/null +++ b/src/supervision/s6-svdt.c @@ -0,0 +1,74 @@ +/* ISC license. */ + +#include +#include +#include +#include +#include +#include +#include + +#define USAGE "s6-svdt [ -S | -s ] [ -n maxentries ] servicedir" +#define dieusage() strerr_dieusage(100, USAGE) +#define die1() strerr_diefu1sys(111, "write to stdout") + +int main (int argc, char const *const *argv) +{ + unsigned int n = S6_MAX_DEATH_TALLY ; + int num = 0 ; + PROG = "s6-svdt" ; + { + subgetopt_t l = SUBGETOPT_ZERO ; + for (;;) + { + int opt = subgetopt_r(argc, argv, "Ssn:", &l) ; + if (opt == -1) break ; + switch (opt) + { + case 'S' : num = 0 ; break ; + case 's' : num = 1 ; break ; + case 'n' : if (!uint0_scan(l.arg, &n)) dieusage() ; break ; + default : dieusage() ; + } + } + argc -= l.ind ; argv += l.ind ; + } + if (!argc) dieusage() ; + if (n > S6_MAX_DEATH_TALLY) n = S6_MAX_DEATH_TALLY ; + if (!n) return 0 ; + { + s6_dtally_t tab[n] ; + ssize_t r = s6_dtally_read(argv[0], tab, n) ; + if (r < 0) strerr_diefu2sys(111, "read death tally for service ", argv[0]) ; + for (size_t i = 0 ; i < r ; i++) + { + char fmt[TIMESTAMP + 1] ; + timestamp_fmt(fmt, &tab[i].stamp) ; + fmt[TIMESTAMP] = ' ' ; + if (buffer_put(buffer_1, fmt, TIMESTAMP + 1) < 0) die1() ; + if (tab[i].sig) + { + if (buffer_puts(buffer_1, "signal ") < 0) die1() ; + if (num) + { + char fmt[3] ; + if (buffer_put(buffer_1, fmt, uint_fmt(fmt, tab[i].sig)) < 0) die1() ; + } + else + { + if (buffer_puts(buffer_1, "SIG") < 0) die1() ; + if (buffer_puts(buffer_1, sig_name(tab[i].sig)) < 0) die1() ; + } + } + else + { + char fmt[3] ; + if (buffer_puts(buffer_1, "exitcode ") < 0) die1() ; + if (buffer_put(buffer_1, fmt, uint_fmt(fmt, tab[i].exitcode)) < 0) die1() ; + } + if (buffer_put(buffer_1, "\n", 1) < 0) die1() ; + } + } + if (!buffer_flush(buffer_1)) die1() ; + return 0 ; +} -- cgit v1.2.3