* eval.c (getpid_wrap, getppid_wrap): New static functions.

(eval_init): Registered getpid and getppid intrinsics.

* signal.c (kill_wrap): New static function.
(sig-init): Registered kill intrinsic function.

* txr.1: Documented getpid, gettpid and kill.

1 files changed, 29 insertions, 0 deletions

diff --git a/txr.1 b/txr.1
index 53826f82..176d665c 100644
--- a/txr.1
+++ b/txr.1
@@ -14331,6 +14331,20 @@ This function retrieves the current working directory.
 If the underlying getcwd system call fails with an errno other than ERANGE,
 an exception will be thrown.
 
+.SS Functions getpid and getppid
+
+.TP
+Syntax:
+
+  (getpid)
+  (getppid)
+
+.TP
+Description:
+
+These functions retrieve the current proces ID and the parent process ID
+respectively. They are wrappers for the POSIX functions getpid and getppid.
+
 .SS Function daemon
 
 .TP
@@ -14579,6 +14593,21 @@ Calls to the sig-check function may be inserted into CPU-intensive code that
 has no opportunity to be interrupted by signals, because it doesn't invoke any
 I/O functions.
 
+.SS The kill function
+
+.TP
+Syntax:
+
+  (kill <process-id> [<signal>])
+
+.TP
+Description:
+
+The kill function is used for sending a signal to a process group or process.
+It is a wrapper for the POSIX kill function.
+
+If the <signal> argument is omitted, it defaults to the same value as sig-term.
+
 .SH UNIX SYSLOG
 
 On platforms where a Unix-like syslog API is available, TXR exports this