jehanne: add sys/resource.h and getrusage

This commit is contained in:
Giacomo Tesio 2017-09-03 22:19:40 +02:00
parent ed6683643a
commit 08c85f7606
4 changed files with 68 additions and 5 deletions

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@ -5,7 +5,7 @@ AM_CCASFLAGS = $(INCLUDES)
noinst_LIBRARIES = lib.a
if MAY_SUPPLY_SYSCALLS
extra_objs = syscalls.o libposix_conf.o chown.o
extra_objs = syscalls.o libposix_conf.o chown.o getrusage.o
else
extra_objs =
endif
@ -14,7 +14,7 @@ lib_a_SOURCES = getenv_r.c getenv.c malloc.c mallocr.c free.c freer.c \
calloc.c callocr.c realloc.c reallocr.c
lib_a_LIBADD = $(extra_objs)
EXTRA_lib_a_SOURCES = libposix_conf.c syscalls.c chown.c
EXTRA_lib_a_SOURCES = libposix_conf.c syscalls.c chown.c getrusage.c
lib_a_DEPENDENCIES = $(extra_objs)
lib_a_CCASFLAGS = $(AM_CCASFLAGS)
lib_a_CFLAGS = $(AM_CFLAGS)

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@ -52,7 +52,7 @@ LIBRARIES = $(noinst_LIBRARIES)
ARFLAGS = cru
lib_a_AR = $(AR) $(ARFLAGS)
@MAY_SUPPLY_SYSCALLS_TRUE@am__DEPENDENCIES_1 = syscalls.o \
@MAY_SUPPLY_SYSCALLS_TRUE@ libposix_conf.o chown.o
@MAY_SUPPLY_SYSCALLS_TRUE@ libposix_conf.o chown.o getrusage.o
am_lib_a_OBJECTS = lib_a-getenv_r.$(OBJEXT) lib_a-getenv.$(OBJEXT) \
lib_a-malloc.$(OBJEXT) lib_a-mallocr.$(OBJEXT) \
lib_a-free.$(OBJEXT) lib_a-freer.$(OBJEXT) \
@ -177,12 +177,12 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
AM_CCASFLAGS = $(INCLUDES)
noinst_LIBRARIES = lib.a
@MAY_SUPPLY_SYSCALLS_FALSE@extra_objs =
@MAY_SUPPLY_SYSCALLS_TRUE@extra_objs = syscalls.o libposix_conf.o chown.o
@MAY_SUPPLY_SYSCALLS_TRUE@extra_objs = syscalls.o libposix_conf.o chown.o getrusage.o
lib_a_SOURCES = getenv_r.c getenv.c malloc.c mallocr.c free.c freer.c \
calloc.c callocr.c realloc.c reallocr.c
lib_a_LIBADD = $(extra_objs)
EXTRA_lib_a_SOURCES = libposix_conf.c syscalls.c chown.c
EXTRA_lib_a_SOURCES = libposix_conf.c syscalls.c chown.c getrusage.c
lib_a_DEPENDENCIES = $(extra_objs)
lib_a_CCASFLAGS = $(AM_CCASFLAGS)
lib_a_CFLAGS = $(AM_CFLAGS)
@ -328,6 +328,12 @@ lib_a-chown.o: chown.c
lib_a-chown.obj: chown.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-chown.obj `if test -f 'chown.c'; then $(CYGPATH_W) 'chown.c'; else $(CYGPATH_W) '$(srcdir)/chown.c'; fi`
lib_a-getrusage.o: getrusage.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-getrusage.o `test -f 'getrusage.c' || echo '$(srcdir)/'`getrusage.c
lib_a-getrusage.obj: getrusage.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-getrusage.obj `if test -f 'getrusage.c'; then $(CYGPATH_W) 'getrusage.c'; else $(CYGPATH_W) '$(srcdir)/getrusage.c'; fi`
ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
unique=`for i in $$list; do \

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@ -0,0 +1,40 @@
/*
* This file is part of Jehanne.
*
* Copyright (C) 2017 Giacomo Tesio <giacomo@tesio.it>
*
* Jehanne is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2 of the License.
*
* Jehanne is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Jehanne. If not, see <http://www.gnu.org/licenses/>.
*/
#include <u.h>
#include <libc.h>
#include <posix.h>
#include <reent.h>
int
getrusage(int who, struct rusage *r_usage)
{
PosixRUsages u;
int *errnop = &_REENT->_errno;
switch(who){
case 0:
u = PosixRUsageSelf;
break;
case 1:
u = PosixRUsageChildren;
break;
default:
u = PosixRUsageUnknown;
break;
}
return POSIX_getrusage(errnop, u, r_usage);
}

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@ -0,0 +1,17 @@
#ifndef _SYS_RESOURCE_H_
#define _SYS_RESOURCE_H_
#include <sys/time.h>
#define RUSAGE_SELF 0 /* calling process */
#define RUSAGE_CHILDREN 1 /* terminated child processes */
struct rusage {
struct timeval ru_utime; /* user time used */
struct timeval ru_stime; /* system time used */
};
extern int getrusage(int, struct rusage *);
#endif