Changeset 684 for trunk/libs/mini-libc/unistd.h

Timestamp:

Jan 13, 2021, 12:40:22 AM (3 years ago)

Author:

alain

Message:

Introduce the socket.c & socket.h files.

File:

• trunk/libs/mini-libc/unistd.h (modified) (2 diffs)

trunk/libs/mini-libc/unistd.h

@@ -75 +75 @@
  * The old process descriptor, and all its threads are blocked, and marked for deletion.
  * Therefore the exec syscall does not return to the calling thread in case of success.
- * This function build an exec_info_t structure containing the new process arguments,
- * as defined by the <arv> argument, and the new process environment variables, 
- * as defined by the <envp>  argument.
+ * This function initializes the exec_info_t structure (embedded in process descriptor),
+ * and containing the <filename>, <args> and <envs> arguments.
+ * 
  * TODO : the <envs> argument is not supported yet (must be NULL).
  ***************************************************************************************** 
  * @ filename : string pointer on .elf filename (virtual pointer in user space)
- * @ args     : array of pointers on process arguments (strings in user space)
- * @ envs     : array of pointers on environment variables (strings in user space)
+ * @ args     : NULL terminated array of strings pointers on process arguments.
+ * @ envs     : NULL terminated array of strings pointers on environment variables.
  * @ does not return if success / returns -1 if failure.
  ****************************************************************************************/
@@ -201 +201 @@
 
 /***************************************************************************************** 
+ * This function implements the <sleep> system call.
+ * It suspends execution of the calling thread until either <seconds> have elapsed,
+ * or a signal is delivered to the thread and its action is to terminate the thread.
+ * System activity may lengthen the sleep by an indeterminate amount.
+ *****************************************************************************************
+ * @ seconds   : sleep duration in seconds.
+ * @ return 0 if success / returns number of unslept seconds if signal delivery.
+ ****************************************************************************************/
+unsigned int sleep( unsigned int seconds );
+
+/***************************************************************************************** 
  * This function implements the <sync> system call.
  * It forces all kernel mappers (file caches) to be copied to the IOC device.