jehanne: add sys/resource.h and getrusage

newlib/libc/sys/jehanne/Makefile.am

@@ -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)

newlib/libc/sys/jehanne/Makefile.in

@@ -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 \

newlib/libc/sys/jehanne/getrusage.c

@@ -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);
+}

newlib/libc/sys/jehanne/sys/resource.h

@@ -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
+