From f5e5908a703975c35d157f10d86ba58fee178d37 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Sun, 19 Jun 2016 07:03:44 -0600
Subject: [PATCH] vsyslog is now a system call

---
 include/sys/syscall.h        | 9 +++++++--
 syscall/syscall.csv          | 1 +
 syscall/syscall_funclookup.c | 1 +
 syscall/syscall_lookup.h     | 4 ++++
 syscall/syscall_stublookup.c | 5 +++++
 5 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/include/sys/syscall.h b/include/sys/syscall.h
index 198b27c953..9fc12fa39c 100644
--- a/include/sys/syscall.h
+++ b/include/sys/syscall.h
@@ -225,11 +225,16 @@
 #  define SYS_timer_getoverrun         (__SYS_timers+2)
 #  define SYS_timer_gettime            (__SYS_timers+3)
 #  define SYS_timer_settime            (__SYS_timers+4)
-#  define __SYS_descriptors            (__SYS_timers+5)
+#  define __SYS_syslog                 (__SYS_timers+5)
 #else
-#  define __SYS_descriptors             __SYS_timers
+#  define __SYS_syslog                 __SYS_timers
 #endif
 
+/* Unconditional system logging */
+
+#define SYS_vsyslog                    (__SYS_syslog+0)
+#define __SYS_descriptors              (__SYS_syslog+1)
+
 /* The following are defined if either file or socket descriptor are
  * enabled.
  */
diff --git a/syscall/syscall.csv b/syscall/syscall.csv
index a7d8121535..4579f3dedb 100644
--- a/syscall/syscall.csv
+++ b/syscall/syscall.csv
@@ -159,6 +159,7 @@
 "up_assert","assert.h","","void","FAR const uint8_t*","int"
 #"up_assert","assert.h","","void"
 "vfork","unistd.h","defined(CONFIG_ARCH_HAVE_VFORK)","pid_t"
+"vsyslog","syslog.h","","int","int","FAR const IPTR char*","va_list"
 "wait","sys/wait.h","defined(CONFIG_SCHED_WAITPID) && defined(CONFIG_SCHED_HAVE_PARENT)","pid_t","int*"
 "waitid","sys/wait.h","defined(CONFIG_SCHED_WAITPID) && defined(CONFIG_SCHED_HAVE_PARENT)","int","idtype_t","id_t"," FAR siginfo_t *","int"
 "waitpid","sys/wait.h","defined(CONFIG_SCHED_WAITPID)","pid_t","pid_t","int*","int"
diff --git a/syscall/syscall_funclookup.c b/syscall/syscall_funclookup.c
index 8e62470103..7d4cbc5ef6 100644
--- a/syscall/syscall_funclookup.c
+++ b/syscall/syscall_funclookup.c
@@ -72,6 +72,7 @@
 #include <signal.h>
 #include <mqueue.h>
 #include <spawn.h>
+#include <syslog.h>
 #include <assert.h>
 
 /* Errno access is awkward. We need to generate get_errno() and set_errno()
diff --git a/syscall/syscall_lookup.h b/syscall/syscall_lookup.h
index 8fb2f507b0..cc72809fd0 100644
--- a/syscall/syscall_lookup.h
+++ b/syscall/syscall_lookup.h
@@ -163,6 +163,10 @@ SYSCALL_LOOKUP(up_assert,                 2, STUB_up_assert)
   SYSCALL_LOOKUP(timer_settime,           4, STUB_timer_settime)
 #endif
 
+/* System logging */
+
+  SYSCALL_LOOKUP(vsyslog,                 3, STUB_vsyslog)
+
 /* The following are defined if either file or socket descriptor are
  * enabled.
  */
diff --git a/syscall/syscall_stublookup.c b/syscall/syscall_stublookup.c
index 63af75eb40..0c0c589fef 100644
--- a/syscall/syscall_stublookup.c
+++ b/syscall/syscall_stublookup.c
@@ -165,6 +165,11 @@ uintptr_t STUB_timer_gettime(int nbr, uintptr_t parm1, uintptr_t parm2);
 uintptr_t STUB_timer_settime(int nbr, uintptr_t parm1, uintptr_t parm2,
             uintptr_t parm3, uintptr_t parm4);
 
+/* System logging */
+
+uintptr_t STUB_vsyslog(int nbr, uintptr_t parm1, uintptr_t parm2,
+            uintptr_t parm3);
+
 /* The following are defined if either file or socket descriptor are
  * enabled.
  */