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author | Timothy Pearson <tpearson@raptorengineering.com> | 2019-05-11 15:12:49 -0500 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-05-11 15:12:49 -0500 |
commit | 9e80202352dd49bdd9e67b8b906d86f058431505 (patch) | |
tree | 5673c17aad6e3833da8c4ff21b5a11f666ec9fbe /src/tests/tcg/cris/check_openpf5.c | |
download | hqemu-master.zip hqemu-master.tar.gz |
Diffstat (limited to 'src/tests/tcg/cris/check_openpf5.c')
-rw-r--r-- | src/tests/tcg/cris/check_openpf5.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/tests/tcg/cris/check_openpf5.c b/src/tests/tcg/cris/check_openpf5.c new file mode 100644 index 0000000..1f86ea2 --- /dev/null +++ b/src/tests/tcg/cris/check_openpf5.c @@ -0,0 +1,56 @@ +/* Check that TRT happens when error on too many opened files. +#notarget: cris*-*-elf +#sim: --sysroot=@exedir@ +*/ +#include <stddef.h> +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <errno.h> +#include <limits.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <string.h> + +int main (int argc, char *argv[]) +{ + int i; + int filemax; + +#ifdef OPEN_MAX + filemax = OPEN_MAX; +#else + filemax = sysconf (_SC_OPEN_MAX); +#endif + + char *fn = malloc (strlen (argv[0]) + 2); + if (fn == NULL) + abort (); + strcpy (fn, "/"); + strcat (fn, argv[0]); + + for (i = 0; i < filemax + 1; i++) + { + if (open (fn, O_RDONLY) < 0) + { + /* Shouldn't happen too early. */ + if (i < filemax - 3 - 1) + { + fprintf (stderr, "i: %d\n", i); + abort (); + } + if (errno != EMFILE) + { + perror ("open"); + abort (); + } + goto ok; + } + } + abort (); + +ok: + printf ("pass\n"); + exit (0); +} |