Move more functions out of sched/ to lib/; proxies almost build

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3453 42af7a65-404d-4744-a932-0658087f49c3

3 files changed, 240 insertions, 61 deletions

diff --git a/nuttx/include/errno.h b/nuttx/include/errno.h
index 8c1654b0f..1316b56fc 100644
--- a/nuttx/include/errno.h
+++ b/nuttx/include/errno.h
@@ -1,7 +1,7 @@
 /************************************************************************
  * include/errno.h
  *
- *   Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,6 +49,10 @@
 /* Convenience/compatibility definition */
 
 #define errno *get_errno_ptr()
+#ifndef CONFIG_NUTTX_KERNEL
+#  define set_errno(e) do { errno = (int)(a); } while (0)
+#  define get_errno(e) errno
+#endif
 
 /* Definitions of error numbers and the string that would be
  * returned by strerror().
@@ -317,10 +321,21 @@ extern "C" {
 #define EXTERN extern
 #endif
 
-/* Return a pointer to the thread specifid errno */
+/* Return a pointer to the thread specifid errno.  NOTE:  When doing a
+ * kernel-/user-mode build, this function can only be used within the
+ * kernel-mode space.
+ *
+ * In the user-mode space, set_errno() and get_errno() are always available,
+ * either as macros or via syscalls.
+ */
 
 EXTERN FAR int *get_errno_ptr(void);
 
+#ifdef CONFIG_NUTTX_KERNEL
+EXTERN void set_errno(int errcode);
+EXTERN int  get_errno(void);
+#endif
+
 #undef EXTERN
 #if defined(__cplusplus)
 }
diff --git a/nuttx/include/nuttx/mqueue.h b/nuttx/include/nuttx/mqueue.h
new file mode 100644
index 000000000..77ddd4981
--- /dev/null
+++ b/nuttx/include/nuttx/mqueue.h
@@ -0,0 +1,124 @@
+/****************************************************************************
+ * include/nuttx/mqueue.h
+ *
+ *   Copyright (C) 2007, 2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef ___INCLUDE_NUTTX_MQUEUE_H
+#define ___INCLUDE_NUTTX_MQUEUE_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/compiler.h>
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <mqueue.h>
+#include <queue.h>
+#include <signal.h>
+
+#if CONFIG_MQ_MAXMSGSIZE > 0
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Global Type Declarations
+ ****************************************************************************/
+
+/* This structure defines a message queue */
+
+struct mq_des; /* forward reference */
+
+struct msgq_s
+{
+  FAR struct msgq_s *flink;   /* Forward link to next message queue */
+  sq_queue_t   msglist;       /* Prioritized message list */
+  int16_t      maxmsgs;       /* Maximum number of messages in the queue */
+  int16_t      nmsgs;         /* Number of message in the queue */
+  int16_t      nconnect;      /* Number of connections to message queue */
+  int16_t      nwaitnotfull;  /* Number tasks waiting for not full */
+  int16_t      nwaitnotempty; /* Number tasks waiting for not empty */
+  uint8_t      maxmsgsize;    /* Max size of message in message queue */
+  bool         unlinked;      /* true if the msg queue has been unlinked */
+#ifndef CONFIG_DISABLE_SIGNALS
+  FAR struct mq_des *ntmqdes; /* Notification: Owning mqdes (NULL if none) */
+  pid_t        ntpid;         /* Notification: Receiving Task's PID */
+  int          ntsigno;       /* Notification: Signal number */
+  union sigval ntvalue;       /* Notification: Signal value */
+#endif
+  char         name[1];       /* Start of the queue name */
+};
+
+typedef struct msgq_s msgq_t;
+
+#define SIZEOF_MQ_HEADER ((int)(((msgq_t*)NULL)->name))
+
+/* This describes the message queue descriptor that is held in the
+ * task's TCB
+ */
+
+struct mq_des
+{
+  FAR struct mq_des *flink;   /* Forward link to next message descriptor */
+  FAR msgq_t  *msgq;          /* Pointer to associated message queue */
+  int          oflags;        /* Flags set when message queue was opened */
+};
+
+/****************************************************************************
+ * Global Variables
+ ****************************************************************************/
+
+/****************************************************************************
+ * Global Function Prototypes
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CONFIG_MQ_MAXMSGSIZE > 0 */
+#endif /* ___INCLUDE_NUTTX_MQUEUE_H */
+
diff --git a/nuttx/include/sys/syscall.h b/nuttx/include/sys/syscall.h
index fd86367ec..f44587b3c 100644
--- a/nuttx/include/sys/syscall.h
+++ b/nuttx/include/sys/syscall.h
@@ -73,65 +73,105 @@
 #define SYS_fstat                     (CONFIG_SYS_RESERVED+15)
 #define SYS_fstatfs                   (CONFIG_SYS_RESERVED+16)
 #define SYS_fsync                     (CONFIG_SYS_RESERVED+17)
-#define SYS_getcwd                    (CONFIG_SYS_RESERVED+18)
-#define SYS_getpid                    (CONFIG_SYS_RESERVED+19)
-#define SYS_getsockopt                (CONFIG_SYS_RESERVED+20)
-#define SYS_gettimeofday              (CONFIG_SYS_RESERVED+21)
-#define SYS_ioctl                     (CONFIG_SYS_RESERVED+22)
-#define SYS_kill                      (CONFIG_SYS_RESERVED+23)
-#define SYS_listen                    (CONFIG_SYS_RESERVED+24)
-#define SYS_lseek                     (CONFIG_SYS_RESERVED+25)
-#define SYS_mkdir                     (CONFIG_SYS_RESERVED+26)
-#define SYS_mmap                      (CONF6G_SYS_RESERVED+27)
-#define SYS_mount                     (CONF7G_SYS_RESERVED+28)
-#define SYS_mq_notify                 (CONFIG_SYS_RESERVED+29)
-#define SYS_mq_open                   (CONFIG_SYS_RESERVED+30)
-#define SYS_mq_timedreceive           (CONFIG_SYS_RESERVED+31)
-#define SYS_mq_timedsend              (CONFIG_SYS_RESERVED+32)
-#define SYS_mq_unlink                 (CONFIG_SYS_RESERVED+33)
-#define SYS_munmap                    (CONFIG_SYS_RESERVED+34)
-#define SYS_open                      (CONFIG_SYS_RESERVED+35)
-#define SYS_pipe                      (CONFIG_SYS_RESERVED+36)
-#define SYS_poll                      (CONFIG_SYS_RESERVED+37)
-#define SYS_read                      (CONFIG_SYS_RESERVED+38)
-#define SYS_readdir                   (CONFIG_SYS_RESERVED+39)
-#define SYS_reboot                    (CONFIG_SYS_RESERVED+40)
-#define SYS_recvfrom                  (CONFIG_SYS_RESERVED+41)
-#define SYS_rename                    (CONFIG_SYS_RESERVED+42)
-#define SYS_rmdir                     (CONFIG_SYS_RESERVED+43)
-#define SYS_sched_getparam            (CONFIG_SYS_RESERVED+44)
-#define SYS_sched_get_priority_max    (CONFIG_SYS_RESERVED+45)
-#define SYS_sched_get_priority_min    (CONFIG_SYS_RESERVED+46)
-#define SYS_sched_getscheduler        (CONFIG_SYS_RESERVED+47)
-#define SYS_sched_rr_get_interval     (CONFIG_SYS_RESERVED+48)
-#define SYS_sched_setparam            (CONFIG_SYS_RESERVED+49)
-#define SYS_sched_setscheduler        (CONFIG_SYS_RESERVED+50)
-#define SYS_sched_yield               (CONFIG_SYS_RESERVED+51)
-#define SYS_select                    (CONFIG_SYS_RESERVED+52)
-#define SYS_sendto                    (CONFIG_SYS_RESERVED+53)
-#define SYS_setsockopt                (CONFIG_SYS_RESERVED+54)
-#define SYS_sigaction                 (CONFIG_SYS_RESERVED+55)
-#define SYS_signal                    (CONFIG_SYS_RESERVED+56)
-#define SYS_sigpending                (CONFIG_SYS_RESERVED+57)
-#define SYS_sigprocmask               (CONFIG_SYS_RESERVED+58)
-#define SYS_sigsuspend                (CONFIG_SYS_RESERVED+59)
-#define SYS_socket                    (CONFIG_SYS_RESERVED+60)
-#define SYS_stat                      (CONFIG_SYS_RESERVED+61)
-#define SYS_statfs                    (CONFIG_SYS_RESERVED+62)
-#define SYS_task_create               (CONFIG_SYS_RESERVED+63)
-#define SYS_task_delete               (CONFIG_SYS_RESERVED+64)
-#define SYS_task_init                 (CONFIG_SYS_RESERVED+65)
-#define SYS_task_restart              (CONFIG_SYS_RESERVED+66)
-#define SYS_timer_create              (CONFIG_SYS_RESERVED+67)
-#define SYS_timer_delete              (CONFIG_SYS_RESERVED+68)
-#define SYS_timer_getoverrun          (CONFIG_SYS_RESERVED+69)
-#define SYS_timer_gettime             (CONFIG_SYS_RESERVED+70)
-#define SYS_timer_settime             (CONFIG_SYS_RESERVED+71)
-#define SYS_umount                    (CONFIG_SYS_RESERVED+72)
-#define SYS_unlink                    (CONFIG_SYS_RESERVED+73)
-#define SYS_waitid                    (CONFIG_SYS_RESERVED+74)
-#define SYS_waitpid                   (CONFIG_SYS_RESERVED+75)
-#define SYS_write                     (CONFIG_SYS_RESERVED+76)
+#define SYS_get_errno                 (CONFIG_SYS_RESERVED+18)
+#define SYS_getenv                    (CONFIG_SYS_RESERVED+19)
+#define SYS_getpid                    (CONFIG_SYS_RESERVED+20)
+#define SYS_getsockopt                (CONFIG_SYS_RESERVED+21)
+#define SYS_gettimeofday              (CONFIG_SYS_RESERVED+22)
+#define SYS_ioctl                     (CONFIG_SYS_RESERVED+23)
+#define SYS_kill                      (CONFIG_SYS_RESERVED+24)
+#define SYS_listen                    (CONFIG_SYS_RESERVED+25)
+#define SYS_lseek                     (CONFIG_SYS_RESERVED+26)
+#define SYS_mkdir                     (CONFIG_SYS_RESERVED+27)
+#define SYS_mkfifo                    (CONFIG_SYS_RESERVED+28)
+#define SYS_mmap                      (CONFIG_SYS_RESERVED+29)
+#define SYS_mount                     (CONFIG_SYS_RESERVED+30)
+#define SYS_mq_notify                 (CONFIG_SYS_RESERVED+31)
+#define SYS_mq_open                   (CONFIG_SYS_RESERVED+32)
+#define SYS_mq_close                  (CONFIG_SYS_RESERVED+33)
+#define SYS_mq_receive                (CONFIG_SYS_RESERVED+34)
+#define SYS_mq_send                   (CONFIG_SYS_RESERVED+35)
+#define SYS_mq_timedreceive           (CONFIG_SYS_RESERVED+36)
+#define SYS_mq_timedsend              (CONFIG_SYS_RESERVED+37)
+#define SYS_mq_unlink                 (CONFIG_SYS_RESERVED+38)
+#define SYS_open                      (CONFIG_SYS_RESERVED+39)
+#define SYS_opendir                   (CONFIG_SYS_RESERVED+40)
+#define SYS_pipe                      (CONFIG_SYS_RESERVED+41)
+#define SYS_poll                      (CONFIG_SYS_RESERVED+42)
+#define SYS_pthread_barrier_destroy   (CONFIG_SYS_RESERVED+43)
+#define SYS_pthread_barrier_init      (CONFIG_SYS_RESERVED+44)
+#define SYS_pthread_barrier_wait      (CONFIG_SYS_RESERVED+45)
+#define SYS_pthread_cancel            (CONFIG_SYS_RESERVED+46)
+#define SYS_pthread_cond_broadcast    (CONFIG_SYS_RESERVED+47)
+#define SYS_pthread_cond_destroy      (CONFIG_SYS_RESERVED+48)
+#define SYS_pthread_cond_init         (CONFIG_SYS_RESERVED+49)
+#define SYS_pthread_cond_signal       (CONFIG_SYS_RESERVED+50)
+#define SYS_pthread_cond_timedwait    (CONFIG_SYS_RESERVED+51)
+#define SYS_pthread_cond_wait         (CONFIG_SYS_RESERVED+52)
+#define SYS_pthread_create            (CONFIG_SYS_RESERVED+53)
+#define SYS_pthread_detach            (CONFIG_SYS_RESERVED+54)
+#define SYS_pthread_exit              (CONFIG_SYS_RESERVED+55)
+#define SYS_pthread_getschedparam     (CONFIG_SYS_RESERVED+56)
+#define SYS_pthread_getspecific       (CONFIG_SYS_RESERVED+57)
+#define SYS_pthread_join              (CONFIG_SYS_RESERVED+58)
+#define SYS_pthread_key_create        (CONFIG_SYS_RESERVED+59)
+#define SYS_pthread_key_delete        (CONFIG_SYS_RESERVED+60)
+#define SYS_pthread_kill              (CONFIG_SYS_RESERVED+61)
+#define SYS_pthread_mutex_destroy     (CONFIG_SYS_RESERVED+62)
+#define SYS_pthread_mutex_init        (CONFIG_SYS_RESERVED+63)
+#define SYS_pthread_mutex_lock        (CONFIG_SYS_RESERVED+64)
+#define SYS_pthread_mutex_trylock     (CONFIG_SYS_RESERVED+65)
+#define SYS_pthread_mutex_unlock      (CONFIG_SYS_RESERVED+66)
+#define SYS_pthread_once              (CONFIG_SYS_RESERVED+67)
+#define SYS_pthread_setcancelstate    (CONFIG_SYS_RESERVED+68)
+#define SYS_pthread_setschedparam     (CONFIG_SYS_RESERVED+69)
+#define SYS_pthread_setschedprio      (CONFIG_SYS_RESERVED+70)
+#define SYS_pthread_setspecific       (CONFIG_SYS_RESERVED+71)
+#define SYS_pthread_sigmask           (CONFIG_SYS_RESERVED+72)
+#define SYS_pthread_testcancel        (CONFIG_SYS_RESERVED+73)
+#define SYS_pthread_yield             (CONFIG_SYS_RESERVED+74)
+#define SYS_putenv                    (CONFIG_SYS_RESERVED+75)
+#define SYS_read                      (CONFIG_SYS_RESERVED+76)
+#define SYS_readdir                   (CONFIG_SYS_RESERVED+77)
+#define SYS_reboot                    (CONFIG_SYS_RESERVED+78)
+#define SYS_recvfrom                  (CONFIG_SYS_RESERVED+79)
+#define SYS_rename                    (CONFIG_SYS_RESERVED+80)
+#define SYS_rmdir                     (CONFIG_SYS_RESERVED+81)
+#define SYS_sched_getparam            (CONFIG_SYS_RESERVED+82)
+#define SYS_sched_get_priority_max    (CONFIG_SYS_RESERVED+83)
+#define SYS_sched_get_priority_min    (CONFIG_SYS_RESERVED+84)
+#define SYS_sched_getscheduler        (CONFIG_SYS_RESERVED+85)
+#define SYS_sched_rr_get_interval     (CONFIG_SYS_RESERVED+86)
+#define SYS_sched_setparam            (CONFIG_SYS_RESERVED+87)
+#define SYS_sched_setscheduler        (CONFIG_SYS_RESERVED+88)
+#define SYS_sched_yield               (CONFIG_SYS_RESERVED+89)
+#define SYS_select                    (CONFIG_SYS_RESERVED+90)
+#define SYS_sendto                    (CONFIG_SYS_RESERVED+91)
+#define SYS_set_errno                 (CONFIG_SYS_RESERVED+92)
+#define SYS_setenv                    (CONFIG_SYS_RESERVED+93)
+#define SYS_setsockopt                (CONFIG_SYS_RESERVED+94)
+#define SYS_sigaction                 (CONFIG_SYS_RESERVED+95)
+#define SYS_signal                    (CONFIG_SYS_RESERVED+96)
+#define SYS_sigpending                (CONFIG_SYS_RESERVED+97)
+#define SYS_sigprocmask               (CONFIG_SYS_RESERVED+98)
+#define SYS_sigsuspend                (CONFIG_SYS_RESERVED+99)
+#define SYS_socket                    (CONFIG_SYS_RESERVED+100)
+#define SYS_stat                      (CONFIG_SYS_RESERVED+101)
+#define SYS_statfs                    (CONFIG_SYS_RESERVED+102)
+#define SYS_task_create               (CONFIG_SYS_RESERVED+103)
+#define SYS_task_delete               (CONFIG_SYS_RESERVED+104)
+#define SYS_task_init                 (CONFIG_SYS_RESERVED+105)
+#define SYS_task_restart              (CONFIG_SYS_RESERVED+106)
+#define SYS_timer_create              (CONFIG_SYS_RESERVED+107)
+#define SYS_timer_delete              (CONFIG_SYS_RESERVED+108)
+#define SYS_timer_getoverrun          (CONFIG_SYS_RESERVED+109)
+#define SYS_timer_gettime             (CONFIG_SYS_RESERVED+110)
+#define SYS_timer_settime             (CONFIG_SYS_RESERVED+111)
+#define SYS_umount                    (CONFIG_SYS_RESERVED+112)
+#define SYS_unlink                    (CONFIG_SYS_RESERVED+113)
+#define SYS_waitid                    (CONFIG_SYS_RESERVED+114)
+#define SYS_waitpid                   (CONFIG_SYS_RESERVED+115)
+#define SYS_write                     (CONFIG_SYS_RESERVED+116)
 
 /****************************************************************************
  * Public Type Definitions