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-rw-r--r--test/misc/tst-syscall0.c15
-rw-r--r--test/misc/tst-syscall1.c18
-rw-r--r--test/misc/tst-syscall6.c61
3 files changed, 94 insertions, 0 deletions
diff --git a/test/misc/tst-syscall0.c b/test/misc/tst-syscall0.c
new file mode 100644
index 0000000..ebfca95
--- /dev/null
+++ b/test/misc/tst-syscall0.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+
+int main() {
+ int pid;
+
+ pid = syscall(SYS_getpid);
+ if (pid > 0) {
+ printf("syscall(SYS_getpid) says %d\n", pid);
+ return 0;
+ }
+
+ return 1;
+}
diff --git a/test/misc/tst-syscall1.c b/test/misc/tst-syscall1.c
new file mode 100644
index 0000000..e3b990e
--- /dev/null
+++ b/test/misc/tst-syscall1.c
@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <sys/utsname.h>
+
+int main() {
+ int ret;
+ struct utsname name;
+
+ ret = syscall(SYS_uname, &name);
+ if (ret == 0) {
+ printf("syscall(SYS_uname) says %s-%s\n", name.sysname,
+ name.release);
+ return 0;
+ }
+
+ return 1;
+}
diff --git a/test/misc/tst-syscall6.c b/test/misc/tst-syscall6.c
new file mode 100644
index 0000000..dad67d1
--- /dev/null
+++ b/test/misc/tst-syscall6.c
@@ -0,0 +1,61 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <sys/uio.h>
+#include <sys/types.h>
+#include <linux/fs.h> /* for RWF_HIPRI */
+
+int main()
+{
+ char tmp[] = "/tmp/tst-preadv2-XXXXXX";
+ int fd;
+ struct iovec iov[2];
+ char *str0 = "hello ";
+ char *str1 = "world\n";
+ char input[16];
+ int nio;
+
+ fd = mkstemp (tmp);
+ if (fd == -1) {
+ puts ("mkstemp failed");
+ return 1;
+ }
+
+ iov[0].iov_base = str0;
+ iov[0].iov_len = strlen(str0);
+ iov[1].iov_base = str1;
+ iov[1].iov_len = strlen(str1) + 1; /* null terminator */
+
+ nio = syscall(SYS_pwritev2, fd, iov, 2, 0, 0, RWF_DSYNC);
+
+ if (nio <= 0) {
+ puts ("failed to write to fd");
+ return 1;
+ }
+
+ /* Read in the second string into the first buffer */
+ iov[0].iov_base = input;
+ iov[0].iov_len = strlen(str1) + 1; /* null terminator */
+ nio = syscall(SYS_preadv2, fd, iov, 1, strlen(str0), 0, RWF_HIPRI);
+ if (nio <= 0) {
+ printf ("failed to read fd %d\n", nio);
+ return 1;
+ }
+
+ if (strncmp(iov[0].iov_base, iov[1].iov_base, strlen(str1)) == 0)
+ printf ("syscall(SYS_preadv2) read %s", (char *) iov[0].iov_base);
+
+ if (close(fd) != 0) {
+ puts ("failed to close read fd");
+ return 1;
+ }
+
+ if (unlink(tmp) != 0) {
+ puts ("failed to unlink file");
+ return 1;
+ }
+
+ return 0;
+}