Add a start hook that can be setup to call a function in the context of a new thread before the new threads main() has been called.

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5571 42af7a65-404d-4744-a932-0658087f49c3

configs/stm32f4discovery/elf/defconfig

@@ -69,7 +69,7 @@ CONFIG_ARCH="arm"
 # CONFIG_ARCH_CHIP_DM320 is not set
 # CONFIG_ARCH_CHIP_IMX is not set
 # CONFIG_ARCH_CHIP_KINETIS is not set
-# CONFIG_ARCH_CHIP_LM3S is not set
+# CONFIG_ARCH_CHIP_LM is not set
 # CONFIG_ARCH_CHIP_LPC17XX is not set
 # CONFIG_ARCH_CHIP_LPC214X is not set
 # CONFIG_ARCH_CHIP_LPC2378 is not set
@@ -81,6 +81,7 @@ CONFIG_ARCH_CHIP_STM32=y
 CONFIG_ARCH_CORTEXM4=y
 CONFIG_ARCH_FAMILY="armv7-m"
 CONFIG_ARCH_CHIP="stm32"
+CONFIG_ARMV7M_USEBASEPRI=y
 CONFIG_ARCH_HAVE_CMNVECTOR=y
 # CONFIG_ARMV7M_CMNVECTOR is not set
 # CONFIG_ARCH_FPU is not set
@@ -201,26 +202,35 @@ CONFIG_STM32_JTAG_SW_ENABLE=y
 # CONFIG_STM32_FORCEPOWER is not set
 # CONFIG_ARCH_BOARD_STM32_CUSTOM_CLOCKCONFIG is not set
 CONFIG_STM32_CCMEXCLUDE=y
+CONFIG_STM32_USART=y
 
 #
 # U[S]ART Configuration
 #
 # CONFIG_USART2_RS485 is not set
+# CONFIG_STM32_USART_SINGLEWIRE is not set
 
 #
 # USB Host Configuration
 #
 
+#
+# External Memory Configuration
+#
+
 #
 # Architecture Options
 #
 # CONFIG_ARCH_NOINTC is not set
+# CONFIG_ARCH_VECNOTIRQ is not set
 # CONFIG_ARCH_DMA is not set
 CONFIG_ARCH_IRQPRIO=y
 # CONFIG_CUSTOM_STACK is not set
 # CONFIG_ADDRENV is not set
+CONFIG_ARCH_HAVE_VFORK=y
 CONFIG_ARCH_STACKDUMP=y
 # CONFIG_ENDIAN_BIG is not set
+# CONFIG_ARCH_HAVE_RAMFUNCS is not set
 
 #
 # Board Settings
@@ -266,6 +276,7 @@ CONFIG_MSEC_PER_TICK=10
 CONFIG_RR_INTERVAL=200
 # CONFIG_SCHED_INSTRUMENTATION is not set
 CONFIG_TASK_NAME_SIZE=0
+# CONFIG_SCHED_HAVE_PARENT is not set
 # CONFIG_JULIAN_TIME is not set
 CONFIG_START_YEAR=2012
 CONFIG_START_MONTH=10
@@ -278,6 +289,7 @@ CONFIG_DEV_CONSOLE=y
 CONFIG_SDCLONE_DISABLE=y
 # CONFIG_SCHED_WORKQUEUE is not set
 # CONFIG_SCHED_WAITPID is not set
+CONFIG_SCHED_STARTHOOK=y
 # CONFIG_SCHED_ATEXIT is not set
 # CONFIG_SCHED_ONEXIT is not set
 CONFIG_USER_ENTRYPOINT="elf_main"
@@ -287,9 +299,15 @@ CONFIG_DISABLE_OS_API=y
 # CONFIG_DISABLE_PTHREAD is not set
 # CONFIG_DISABLE_SIGNALS is not set
 # CONFIG_DISABLE_MQUEUE is not set
-# CONFIG_DISABLE_MOUNTPOINT is not set
 # CONFIG_DISABLE_ENVIRON is not set
-# CONFIG_DISABLE_POLL is not set
+
+#
+# Signal Numbers
+#
+CONFIG_SIG_SIGUSR1=1
+CONFIG_SIG_SIGUSR2=2
+CONFIG_SIG_SIGALARM=3
+CONFIG_SIG_SIGCONDTIMEDOUT=16
 
 #
 # Sizes of configurable things (0 disables)
@@ -317,6 +335,7 @@ CONFIG_PTHREAD_STACK_DEFAULT=2048
 #
 # Device Drivers
 #
+# CONFIG_DISABLE_POLL is not set
 CONFIG_DEV_NULL=y
 # CONFIG_DEV_ZERO is not set
 # CONFIG_LOOP is not set
@@ -381,8 +400,9 @@ CONFIG_USART2_2STOP=0
 #
 # File system configuration
 #
-# CONFIG_FS_FAT is not set
+# CONFIG_DISABLE_MOUNTPOINT is not set
 # CONFIG_FS_RAMMAP is not set
+# CONFIG_FS_FAT is not set
 # CONFIG_FS_NXFFS is not set
 CONFIG_FS_ROMFS=y
 
@@ -415,6 +435,7 @@ CONFIG_ELF_ALIGN_LOG2=2
 CONFIG_ELF_STACKSIZE=2048
 CONFIG_ELF_BUFFERSIZE=128
 CONFIG_ELF_BUFFERINCR=32
+# CONFIG_BUILTIN is not set
 # CONFIG_PIC is not set
 CONFIG_BINFMT_CONSTRUCTORS=y
 CONFIG_SYMTAB_ORDEREDBYNAME=y
@@ -422,6 +443,10 @@ CONFIG_SYMTAB_ORDEREDBYNAME=y
 #
 # Library Routines
 #
+
+#
+# Standard C Library Options
+#
 CONFIG_STDIO_BUFFER_SIZE=256
 CONFIG_STDIO_LINEBUFFER=y
 CONFIG_NUNGET_CHARS=2
@@ -433,6 +458,7 @@ CONFIG_LIB_HOMEDIR="/"
 # CONFIG_EOL_IS_LF is not set
 # CONFIG_EOL_IS_BOTH_CRLF is not set
 CONFIG_EOL_IS_EITHER_CRLF=y
+# CONFIG_LIBC_EXECFUNCS is not set
 # CONFIG_LIBC_STRERROR is not set
 # CONFIG_LIBC_PERROR_STDOUT is not set
 CONFIG_ARCH_LOWPUTC=y
@@ -440,6 +466,11 @@ CONFIG_LIB_SENDFILE_BUFSIZE=512
 # CONFIG_ARCH_ROMGETC is not set
 # CONFIG_ARCH_OPTIMIZED_FUNCTIONS is not set
 
+#
+# Non-standard Helper Functions
+#
+# CONFIG_LIB_KBDCODEC is not set
+
 #
 # Basic CXX Support
 #
@@ -458,9 +489,8 @@ CONFIG_HAVE_CXX=y
 #
 
 #
-# Named Applications
+# Built-In Applications
 #
-# CONFIG_BUILTIN is not set
 
 #
 # Examples
@@ -486,7 +516,6 @@ CONFIG_EXAMPLES_ELF_DEVPATH="/dev/ram0"
 # CONFIG_EXAMPLES_MM is not set
 # CONFIG_EXAMPLES_MOUNT is not set
 # CONFIG_EXAMPLES_MODBUS is not set
-# CONFIG_EXAMPLES_NETTEST is not set
 # CONFIG_EXAMPLES_NSH is not set
 # CONFIG_EXAMPLES_NULL is not set
 # CONFIG_EXAMPLES_NX is not set
@@ -501,6 +530,7 @@ CONFIG_EXAMPLES_ELF_DEVPATH="/dev/ram0"
 # CONFIG_EXAMPLES_PASHELLO is not set
 # CONFIG_EXAMPLES_PIPE is not set
 # CONFIG_EXAMPLES_POLL is not set
+# CONFIG_EXAMPLES_POSIXSPAWN is not set
 # CONFIG_EXAMPLES_QENCODER is not set
 # CONFIG_EXAMPLES_RGMP is not set
 # CONFIG_EXAMPLES_ROMFS is not set
@@ -516,7 +546,6 @@ CONFIG_EXAMPLES_ELF_DEVPATH="/dev/ram0"
 # CONFIG_EXAMPLES_USBMSC is not set
 # CONFIG_EXAMPLES_USBTERM is not set
 # CONFIG_EXAMPLES_WATCHDOG is not set
-# CONFIG_EXAMPLES_WLAN is not set
 
 #
 # Interpreters

configs/stm32f4discovery/posix_spawn/defconfig

@@ -279,6 +279,7 @@ CONFIG_DEV_CONSOLE=y
 CONFIG_SDCLONE_DISABLE=y
 # CONFIG_SCHED_WORKQUEUE is not set
 # CONFIG_SCHED_WAITPID is not set
+CONFIG_SCHED_STARTHOOK=y
 # CONFIG_SCHED_ATEXIT is not set
 # CONFIG_SCHED_ONEXIT is not set
 CONFIG_USER_ENTRYPOINT="spawn_main"