Add posix headers to toynet.h, move xioctl() to lib.c, introduce lib/net.c and move xsocket() to it.

3 files changed, 37 insertions, 0 deletions

diff --git a/lib/lib.c b/lib/lib.c
index 87ff12cb..4d8e23a4 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -739,6 +739,28 @@ char *xreadfile(char *name)
 
 */
 
+
+// Sleep for this many thousandths of a second
+void msleep(long miliseconds)
+{
+  struct timespec ts;
+
+  ts.tv_sec = miliseconds/1000;
+  ts.tv_nsec = (miliseconds%1000)*1000000;
+  nanosleep(&ts, &ts);
+}
+
+int xioctl(int fd, int request, void *data)
+{
+  int rc;
+
+  errno = 0;
+  rc = ioctl(fd, request, data);
+  if (rc == -1 && errno) perror_exit("ioctl %d", request);
+
+  return rc;
+}
+
 // Open a /var/run/NAME.pid file, dying if we can't write it or if it currently
 // exists and is this executable.
 void xpidfile(char *name)
diff --git a/lib/lib.h b/lib/lib.h
index 18c0155f..ab858f90 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -119,6 +119,8 @@ off_t xlseek(int fd, off_t offset, int whence);
 off_t lskip(int fd, off_t offset);
 char *readfile(char *name);
 char *xreadfile(char *name);
+void msleep(long miliseconds);
+int xioctl(int fd, int request, void *data);
 char *xgetcwd(void);
 void xstat(char *path, struct stat *st);
 char *xabspath(char *path, int exact);
@@ -152,6 +154,9 @@ int yesno(char *prompt, int def);
 void for_each_pid_with_name_in(char **names, int (*callback)(pid_t pid, char *name));
 unsigned long xstrtoul(const char *nptr, char **endptr, int base);
 
+// net.c
+int xsocket(int domain, int type, int protocol);
+
 // getmountlist.c
 struct mtab_list {
   struct mtab_list *next;
diff --git a/lib/net.c b/lib/net.c
new file mode 100644
index 00000000..f4b26439
--- /dev/null
+++ b/lib/net.c
@@ -0,0 +1,10 @@
+#include "toys.h"
+#include "toynet.h"
+
+int xsocket(int domain, int type, int protocol)
+{
+  int fd = socket(domain, type, protocol);
+
+  if (fd < 0) perror_exit("socket %x %x", type, protocol);
+  return fd;
+}