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add sleep functions

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This commit is contained in:
Dave Murphy
2018-05-28 10:39:11 +00:00
parent 04e02ff214
commit 8c1775ec31
1 changed files with 82 additions and 9 deletions
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91
dkppc/patches/newlib-3.0.0.patch
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@@ -46,7 +46,7 @@ index 6da164352..0375cabbc 100644
AC_SUBST(AS)
diff --git a/libgloss/libsysbase/Makefile.in b/libgloss/libsysbase/Makefile.in
new file mode 100644
index 000000000..df90d2f57
index 000000000..376d620b8
--- /dev/null
+++ b/libgloss/libsysbase/Makefile.in
@@ -0,0 +1,148 @@
@@ -118,7 +118,7 @@ index 000000000..df90d2f57
+
+# object files needed
+OBJS = abort.o iosupport.o clocks.o close.o environ.o execve.o fork.o fstat.o getpid.o gettod.o \
+ isatty.o kill.o link.o lseek.o open.o read.o sbrk.o stat.o times.o \
+ isatty.o kill.o link.o lseek.o nanosleep.o open.o read.o sbrk.o sleep.o stat.o usleep.o times.o \
+ unlink.o wait.o write.o _exit.o malloc_vars.o \
+ chdir.o mkdir.o rename.o build_argv.o statvfs.o \
+ flock.o syscall_support.o handle_manager.o truncate.o ftruncate.o dirent.o fsync.o \
@@ -902,7 +902,7 @@ index 000000000..3668b5801
+
diff --git a/libgloss/libsysbase/clocks.c b/libgloss/libsysbase/clocks.c
new file mode 100644
index 000000000..7cec3bc11
index 000000000..01cfee469
--- /dev/null
+++ b/libgloss/libsysbase/clocks.c
@@ -0,0 +1,34 @@
@@ -922,7 +922,7 @@ index 000000000..7cec3bc11
+
+int clock_settime(clockid_t clock_id, const struct timespec *tp)
+{
+ if ( __syscalls.clock_gettime ) {
+ if ( __syscalls.clock_settime ) {
+ return __syscalls.clock_settime(clock_id, tp);
+ } else {
+ errno = ENOSYS;
@@ -6476,6 +6476,26 @@ index 000000000..b4fcbd3d7
+
+ return ret;
+}
diff --git a/libgloss/libsysbase/nanosleep.c b/libgloss/libsysbase/nanosleep.c
new file mode 100644
index 000000000..3c96fc61b
--- /dev/null
+++ b/libgloss/libsysbase/nanosleep.c
@@ -0,0 +1,14 @@
+#include <errno.h>
+#include <time.h>
+#include <sys/iosupport.h>
+
+int nanosleep(const struct timespec *req, struct timespec *rem)
+{
+ if ( __syscalls.nanosleep ) {
+ return __syscalls.nanosleep(req, rem);
+ } else {
+ *rem = *req;
+ errno = ENOSYS;
+ return -1;
+ }
+}
diff --git a/libgloss/libsysbase/open.c b/libgloss/libsysbase/open.c
new file mode 100644
index 000000000..877f907e1
@@ -6682,6 +6702,30 @@ index 000000000..e2bdb9edc
+
+}
\ No newline at end of file
diff --git a/libgloss/libsysbase/sleep.c b/libgloss/libsysbase/sleep.c
new file mode 100644
index 000000000..f3aa97954
--- /dev/null
+++ b/libgloss/libsysbase/sleep.c
@@ -0,0 +1,18 @@
+/* Copied from libc/posix/sleep.c, removed the check for HAVE_NANOSLEEP */
+
+/* Written 2000 by Werner Almesberger */
+
+#include <errno.h>
+#include <time.h>
+#include <unistd.h>
+
+unsigned sleep(unsigned seconds)
+{
+ struct timespec ts;
+
+ ts.tv_sec = seconds;
+ ts.tv_nsec = 0;
+ if (!nanosleep(&ts,&ts)) return 0;
+ if (errno == EINTR) return ts.tv_sec;
+ return -1;
+}
diff --git a/libgloss/libsysbase/stat.c b/libgloss/libsysbase/stat.c
new file mode 100644
index 000000000..4c2e5414e
@@ -6757,10 +6801,10 @@ index 000000000..84e221340
+}
diff --git a/libgloss/libsysbase/syscall_support.c b/libgloss/libsysbase/syscall_support.c
new file mode 100644
index 000000000..939ec2533
index 000000000..f02714764
--- /dev/null
+++ b/libgloss/libsysbase/syscall_support.c
@@ -0,0 +1,63 @@
@@ -0,0 +1,67 @@
+#include <sys/iosupport.h>
+
+//---------------------------------------------------------------------------------
@@ -6774,7 +6818,11 @@ index 000000000..939ec2533
+ NULL, // malloc_lock
+ NULL, // malloc_unlock
+ NULL, // exit
+ NULL // gettod_r
+ NULL, // gettod_r
+ NULL, // clock_gettime
+ NULL, // clock_settime
+ NULL, // clock_getres
+ NULL // nanosleep
+};
+
+int __libc_lock_init(int *lock,int recursive) {
@@ -6948,6 +6996,30 @@ index 000000000..55932bc25
+ return ret;
+}
+
diff --git a/libgloss/libsysbase/usleep.c b/libgloss/libsysbase/usleep.c
new file mode 100644
index 000000000..b54714775
--- /dev/null
+++ b/libgloss/libsysbase/usleep.c
@@ -0,0 +1,18 @@
+/* Copied from libc/posix/sleep.c, removed the check for HAVE_NANOSLEEP */
+
+/* Written 2000 by Werner Almesberger */
+
+#include <errno.h>
+#include <time.h>
+#include <unistd.h>
+
+int usleep(useconds_t useconds)
+{
+ struct timespec ts;
+
+ ts.tv_sec = (long int)useconds / 1000000;
+ ts.tv_nsec = ((long int)useconds % 1000000) * 1000;
+ if (!nanosleep(&ts,&ts)) return 0;
+ if (errno == EINTR) return ts.tv_sec;
+ return -1;
+}
diff --git a/libgloss/libsysbase/wait.c b/libgloss/libsysbase/wait.c
new file mode 100644
index 000000000..b65f9039c
@@ -7237,10 +7309,10 @@ index 2900b332f..6efb54eb3 100644
#ifdef __rtems__
diff --git a/newlib/libc/include/sys/iosupport.h b/newlib/libc/include/sys/iosupport.h
new file mode 100644
index 000000000..8034ada6f
index 000000000..90c637194
--- /dev/null
+++ b/newlib/libc/include/sys/iosupport.h
@@ -0,0 +1,105 @@
@@ -0,0 +1,106 @@
+//---------------------------------------------------------------------------------
+#ifndef __iosupp_h__
+#define __iosupp_h__
@@ -7324,6 +7396,7 @@ index 000000000..8034ada6f
+ int (*clock_gettime)(clockid_t clock_id, struct timespec *tp);
+ int (*clock_settime)(clockid_t clock_id, const struct timespec *tp);
+ int (*clock_getres)(clockid_t clock_id, struct timespec *res);
+ int (*nanosleep)(const struct timespec *req, struct timespec *rem);
+} __syscalls_t;
+
+extern __syscalls_t __syscalls;