xiaoxiang781216 commented on a change in pull request #3523:
URL: https://github.com/apache/incubator-nuttx/pull/3523#discussion_r611351524
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File path: include/sys/syscall_lookup.h
##########
@@ -261,6 +261,9 @@ SYSCALL_LOOKUP(telldir, 1)
#if defined(CONFIG_PIPES) && CONFIG_DEV_PIPE_SIZE > 0
SYSCALL_LOOKUP(nx_pipe, 3)
+#endif
+
+#if defined(CONFIG_PIPES) && CONFIG_DEV_FIFO_SIZE > 0
SYSCALL_LOOKUP(nx_mkfifo, 3)
Review comment:
no real difference?
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File path: tools/mksyscall.c
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@@ -497,14 +515,16 @@ static void generate_stub(int nfixed, int nparms)
* value, just return zero (OK).
*/
- if (strcmp(g_parm[RETTYPE_INDEX], "void") == 0)
+ fprintf(stream, ");\n");
+ if (strcmp(g_parm[RETTYPE_INDEX], "noreturn") == 0)
{
- fprintf(stream, ");\n return 0;\n}\n");
+ fprintf(stream, " PANIC();\n");
Review comment:
Don't need because:
1. We should trust the implementation of noreturn never return
2. It waste the flash space for each PANIC
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