--- config.h.in | 3 +++ sysdeps/mach/configure | 28 ++++++++++++++++++++++++++++ sysdeps/mach/configure.ac | 9 +++++++++ sysdeps/mach/hurd/getrusage.c | 8 ++++++-- sysdeps/mach/hurd/times.c | 18 +++++++++++++++++- 5 files changed, 63 insertions(+), 3 deletions(-)
diff --git a/config.h.in b/config.h.in index 44a34072..2f0669e1 100644 --- a/config.h.in +++ b/config.h.in @@ -159,6 +159,9 @@ /* Mach/i386 specific: define if the `i386_set_gdt' RPC is available. */ #undef HAVE_I386_SET_GDT +/* Hurd specific; define if the `proc_getchildren_rusage' RPC is available. */ +#undef HAVE_HURD_PROC_GETCHILDREN_RUSAGE + /* Define if inlined system calls are available. */ #undef HAVE_INLINED_SYSCALLS diff --git a/sysdeps/mach/configure b/sysdeps/mach/configure index f15160d0..d579c301 100644 --- a/sysdeps/mach/configure +++ b/sysdeps/mach/configure @@ -521,5 +521,33 @@ if test $libc_cv_mach_i386_gdt = yes; then fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for proc_getchildren_rusage in process.defs" >&5 +printf %s "checking for proc_getchildren_rusage in process.defs... " >&6; } +if test ${libc_cv_hurd_proc_getchildren_rusage+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <hurd/process.defs> + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "proc_getchildren_rusage" >/dev/null 2>&1 +then : + libc_cv_hurd_proc_getchildren_rusage=yes +else $as_nop + libc_cv_hurd_proc_getchildren_rusage=no +fi +rm -rf conftest* + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_hurd_proc_getchildren_rusage" >&5 +printf "%s\n" "$libc_cv_hurd_proc_getchildren_rusage" >&6; } +if test $libc_cv_hurd_proc_getchildren_rusage = yes; then + printf "%s\n" "#define HAVE_HURD_PROC_GETCHILDREN_RUSAGE 1" >>confdefs.h + +fi + CPPFLAGS=$OLD_CPPFLAGS diff --git a/sysdeps/mach/configure.ac b/sysdeps/mach/configure.ac index 730fb25d..db1e453f 100644 --- a/sysdeps/mach/configure.ac +++ b/sysdeps/mach/configure.ac @@ -104,4 +104,13 @@ if test $libc_cv_mach_i386_gdt = yes; then AC_DEFINE([HAVE_I386_SET_GDT]) fi +AC_CACHE_CHECK(for proc_getchildren_rusage in process.defs, + libc_cv_hurd_proc_getchildren_rusage, [dnl +AC_EGREP_HEADER(proc_getchildren_rusage, hurd/process.defs, + libc_cv_hurd_proc_getchildren_rusage=yes, + libc_cv_hurd_proc_getchildren_rusage=no)]) +if test $libc_cv_hurd_proc_getchildren_rusage = yes; then + AC_DEFINE([HAVE_HURD_PROC_GETCHILDREN_RUSAGE]) +fi + CPPFLAGS=$OLD_CPPFLAGS diff --git a/sysdeps/mach/hurd/getrusage.c b/sysdeps/mach/hurd/getrusage.c index 7be4dd17..8151c297 100644 --- a/sysdeps/mach/hurd/getrusage.c +++ b/sysdeps/mach/hurd/getrusage.c @@ -75,9 +75,13 @@ __getrusage (enum __rusage_who who, struct rusage *usage) break; case RUSAGE_CHILDREN: - /* XXX Not implemented yet. However, zero out USAGE to be - consistent with the wait3 and wait4 functions. */ +#ifdef HAVE_HURD_PROC_GETCHILDREN_RUSAGE + err = __USEPORT (PROC, __proc_getchildren_rusage (port, usage)); + if (err) + return __hurd_fail (err); +#else memset (usage, 0, sizeof (struct rusage)); +#endif break; diff --git a/sysdeps/mach/hurd/times.c b/sysdeps/mach/hurd/times.c index 0c3880d5..3e384dd6 100644 --- a/sysdeps/mach/hurd/times.c +++ b/sysdeps/mach/hurd/times.c @@ -32,6 +32,13 @@ clock_from_time_value (const time_value_t *t) return t->seconds * 1000000 + t->microseconds; } +#ifdef HAVE_HURD_PROC_GETCHILDREN_RUSAGE +static inline clock_t +clock_from_timeval (const struct timeval *t) { + return t->tv_sec * 1000000 + t->tv_usec; +} +#endif + /* Store the CPU time used by this process and all its dead children (and their dead children) in BUFFER. Return the elapsed real time, or (clock_t) -1 for errors. @@ -62,8 +69,17 @@ __times (struct tms *tms) tms->tms_stime = (clock_from_time_value (&bi.system_time) + clock_from_time_value (&tti.system_time)); - /* XXX This can't be implemented until getrusage(RUSAGE_CHILDREN) can be. */ +#ifdef HAVE_HURD_PROC_GETCHILDREN_RUSAGE + struct rusage child_rusage; + err = __USEPORT (PROC, __proc_getchildren_rusage (port, &child_rusage)); + if (err) + return __hurd_fail (err); + + tms->tms_cutime = clock_from_timeval (&child_rusage.ru_utime); + tms->tms_cstime = clock_from_timeval (&child_rusage.ru_stime); +#else tms->tms_cutime = tms->tms_cstime = 0; +#endif __host_get_time (__mach_host_self (), &now); -- 2.39.2