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Squashed commit of the following:
 libs/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled. syscall/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled. wireless/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled. Documentation/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled. include/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled. drivers/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled. sched/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled. configs: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled. arch/xtensa: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled. arch/z80: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled. arch/x86: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled. arch/renesas and arch/risc-v: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled. arch/or1k: Remove all references to CONFIG_DISABLE_SIGNALS. Signals are always enabled. arch/misoc: Remove all references to CONFIG_DISABLE_SIGNALS. Signals are always enabled. arch/mips: Remove all references to CONFIG_DISABLE_SIGNALS. Signals are always enabled. arch/avr: Remove all references to CONFIG_DISABLE_SIGNALS. Signals are always enabled. arch/arm: Remove all references to CONFIG_DISABLE_SIGNALS. Signals are always enabled.
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‎Documentation/NXGraphicsSubsystem.html‎

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@@ -1355,11 +1355,7 @@ <h3>2.3.9 <a name="nxeventnotify"><code>nx_eventnotify()</code></a></h3>
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#include &lt;nuttx/nx/nxglib.h&gt;
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#include &lt;nuttx/nx/nx.h&gt;
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#ifndef CONFIG_DISABLE_SIGNALS
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int nx_eventnotify(NXHANDLE handle, int signo);
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#else
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# define nx_eventnotify(handle, signo) (OK)
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#endif
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</pre></ul>
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<p>
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<b>Description:</b>

‎Documentation/NuttShell.html‎

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@@ -3731,7 +3731,7 @@ <h1>Table of Contents</h1>
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</tr>
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<tr>
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<td><b><code>kill</code></b></td>
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<td>!<code>CONFIG_DISABLE_SIGNALS</code></td>
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<td>&nbsp;</td>
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<td><code>CONFIG_NSH_DISABLE_KILL</code></td>
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</tr>
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<tr>
@@ -3881,7 +3881,7 @@ <h1>Table of Contents</h1>
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</tr>
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<tr>
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<td><b><code>sleep</code></b></td>
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<td>!<code>CONFIG_DISABLE_SIGNALS</code></td>
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<td>&nbsp;</td>
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<td><code>CONFIG_NSH_DISABLE_SLEEP</code></td>
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</tr>
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<tr>
@@ -3941,7 +3941,7 @@ <h1>Table of Contents</h1>
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</tr>
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<tr>
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<td><b><code>usleep</code></b></td>
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<td>!<code>CONFIG_DISABLE_SIGNALS</code></td>
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<td>&nbsp;</td>
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<td><code>CONFIG_NSH_DISABLE_USLEEP</code></td>
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</tr>
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<tr>
@@ -3996,12 +3996,12 @@ <h1>Table of Contents</h1>
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<tr>
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<td><b><code>ping</code></b></td>
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<td><code>CONFIG_NET</code> &amp;&amp; <code>CONFIG_NET_ICMP</code> &amp;&amp;
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<code>CONFIG_NET_ICMP_SOCKET</code> &amp;&amp; <code>CONFIG_SYSTEM_PING</code> &amp;&amp; !<code>CONFIG_DISABLE_SIGNALS</code> &amp;&amp; !<code>CONFIG_DISABLE_POLL</code></td>
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<code>CONFIG_NET_ICMP_SOCKET</code> &amp;&amp; <code>CONFIG_SYSTEM_PING</code> &amp;&amp !<code>CONFIG_DISABLE_POLL</code></td>
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</tr>
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<tr>
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<td><b><code>ping6</code></b></td>
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<td><code>CONFIG_NET</code> &amp;&amp; <code>CONFIG_NET_ICMPv6</code> &amp;&amp;
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<code>CONFIG_NET_ICMPv6_SOCKET</code> &amp;&amp; <code>CONFIG_SYSTEM_PING6</code> &amp;&amp; !<code>CONFIG_DISABLE_SIGNALS</code> &amp;&amp; !<code>CONFIG_DISABLE_POLL</code></td>
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<code>CONFIG_NET_ICMPv6_SOCKET</code> &amp;&amp; <code>CONFIG_SYSTEM_PING6</code> &amp;&amp; !<code>CONFIG_DISABLE_POLL</code></td>
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</tr>
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</table></center>
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‎Documentation/NuttxPortingGuide.html‎

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@@ -2176,10 +2176,6 @@ <h3><a name="upschedulesigaction">4.2.14 <code>up_schedule_sigaction()</code></a
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handler now.
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</li>
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</ol>
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<p>
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This API is <i>NOT</i> required if <code>CONFIG_DISABLE_SIGNALS</code>
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is defined.
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</p>
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<h3><a name="upallocateheap">4.2.15 <code>up_allocate_heap()</code></a></h3>
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<p><b>Function Prototype</b>: <code>void up_allocate_heap(FAR void **heap_start, size_t *heap_size);</code></p>

‎Documentation/NuttxUserGuide.html‎

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@@ -1476,9 +1476,8 @@ <h3><a name="posix_spawnattr_getsigmask">2.1.24 posix_spawnattr_getsigmask</a></
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</p>
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<ul><pre>
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#include &lt;spawn.h&gt;
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#ifndef CONFIG_DISABLE_SIGNALS
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int posix_spawnattr_getsigmask(FAR const posix_spawnattr_t *attr, FAR sigset_t *sigmask);
1481-
#endif
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</pre></ul>
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<p>
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<b>Description:</b>
@@ -1598,9 +1597,8 @@ <h3><a name="posix_spawnattr_setsigmask">2.1.28 posix_spawnattr_setsigmask</a></
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</p>
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<ul><pre>
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#include &lt;spawn.h&gt;
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#ifndef CONFIG_DISABLE_SIGNALS
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int posix_spawnattr_setsigmask(FAR posix_spawnattr_t *attr, FAR const sigset_t *sigmask);
1603-
#endif
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</pre></ul>
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<p>
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<b>Description:</b>

‎arch/arm/include/arm/irq.h‎

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@@ -138,7 +138,6 @@
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#ifndef __ASSEMBLY__
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struct xcptcontext
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{
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#ifndef CONFIG_DISABLE_SIGNALS
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/* The following function pointer is non-zero if there
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* are pending signals to be processed.
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*/
@@ -156,7 +155,6 @@ struct xcptcontext
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uint32_t saved_pc;
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uint32_t saved_cpsr;
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#endif
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/* Register save area */
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‎arch/arm/include/armv6-m/irq.h‎

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@@ -164,7 +164,6 @@ struct xcpt_syscall_s
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struct xcptcontext
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{
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#ifndef CONFIG_DISABLE_SIGNALS
168167
/* The following function pointer is non-zero if there
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* are pending signals to be processed.
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*/
@@ -191,8 +190,6 @@ struct xcptcontext
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*/
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193192
uint32_t sigreturn;
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# endif
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#endif
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#ifdef CONFIG_LIB_SYSCALL

‎arch/arm/include/armv7-a/irq.h‎

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@@ -229,7 +229,6 @@ struct xcpt_syscall_s
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#ifndef __ASSEMBLY__
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struct xcptcontext
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{
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#ifndef CONFIG_DISABLE_SIGNALS
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/* The following function pointer is non-zero if there are pending signals
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* to be processed.
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*/
@@ -247,14 +246,13 @@ struct xcptcontext
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uint32_t saved_pc;
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uint32_t saved_cpsr;
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250-
# ifdef CONFIG_BUILD_KERNEL
249+
#ifdef CONFIG_BUILD_KERNEL
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/* This is the saved address to use when returning from a user-space
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* signal handler.
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*/
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255254
uint32_t sigreturn;
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257-
# endif
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#endif
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/* Register save area */
@@ -302,11 +300,9 @@ struct xcptcontext
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303301
FAR uint32_t *ustkptr; /* Saved user stack pointer */
304302
FAR uint32_t *kstack; /* Allocate base of the (aligned) kernel stack */
305-
#ifndef CONFIG_DISABLE_SIGNALS
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FAR uint32_t *kstkptr; /* Saved kernel stack pointer */
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#endif
308305
#endif
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#endif
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};
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#endif
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‎arch/arm/include/armv7-m/irq.h‎

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@@ -119,7 +119,6 @@ struct xcpt_syscall_s
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struct xcptcontext
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{
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#ifndef CONFIG_DISABLE_SIGNALS
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/* The following function pointer is non-zero if there
124123
* are pending signals to be processed.
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*/
@@ -151,7 +150,6 @@ struct xcptcontext
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152151
uint32_t sigreturn;
153152

154-
# endif
155153
#endif
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157155
#ifdef CONFIG_LIB_SYSCALL

‎arch/arm/include/armv7-r/irq.h‎

Lines changed: 1 addition & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -229,7 +229,6 @@ struct xcpt_syscall_s
229229
#ifndef __ASSEMBLY__
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struct xcptcontext
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{
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#ifndef CONFIG_DISABLE_SIGNALS
233232
/* The following function pointer is non-zero if there are pending signals
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* to be processed.
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*/
@@ -247,14 +246,12 @@ struct xcptcontext
247246
uint32_t saved_pc;
248247
uint32_t saved_cpsr;
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250-
# ifdef CONFIG_BUILD_KERNEL
249+
#ifdef CONFIG_BUILD_KERNEL
251250
/* This is the saved address to use when returning from a user-space
252251
* signal handler.
253252
*/
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255254
uint32_t sigreturn;
256-
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# endif
258255
#endif
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260257
/* Register save area */
@@ -302,11 +299,9 @@ struct xcptcontext
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303300
FAR uint32_t *ustkptr; /* Saved user stack pointer */
304301
FAR uint32_t *kstack; /* Allocate base of the (aligned) kernel stack */
305-
#ifndef CONFIG_DISABLE_SIGNALS
306302
FAR uint32_t *kstkptr; /* Saved kernel stack pointer */
307303
#endif
308304
#endif
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#endif
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};
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#endif
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‎arch/arm/src/arm/up_schedulesigaction.c‎

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@@ -51,8 +51,6 @@
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#include "up_internal.h"
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#include "up_arch.h"
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#ifndef CONFIG_DISABLE_SIGNALS
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5654
/****************************************************************************
5755
* Public Functions
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****************************************************************************/
@@ -189,5 +187,3 @@ void up_schedule_sigaction(struct tcb_s *tcb, sig_deliver_t sigdeliver)
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190188
leave_critical_section(flags);
191189
}
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#endif /* !CONFIG_DISABLE_SIGNALS */

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