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libc/psignal: Output the message to STDERR_FILENO instead STDOUT_FILENO

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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2021-11-18 02:53:29 +08:00 • committed by Abdelatif Guettouche
parent 91f616e824
commit e5cf5faa86
1 changed files with 4 additions and 3 deletions
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7
libs/libc/signal/sig_psignal.c
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@ -27,6 +27,7 @@
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
/* Uses streams... not available to kernel code */
@ -72,15 +73,15 @@ void psignal(int signum, FAR const char *message)
fprintf(stderr, "%s\n", strsignal(signum));
}
#else
/* No stderr! Write to whatever alternative console is available */
/* No stream! Write to file handle(fd == 2) directly without buffer */
if (message != NULL)
{
printf("%s: %s\n", message, strsignal(signum));
dprintf(STDERR_FILENO, "%s: %s\n", message, strsignal(signum));
}
else
{
printf("%s\n", strsignal(signum));
dprintf(STDERR_FILENO, "%s\n", strsignal(signum));
}
#endif
}