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59 lines
1.6 KiB
59 lines
1.6 KiB
7 years ago
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diff -rup a/open.c b/open.c
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--- a/open.c 2017-03-27 13:09:44.077819446 -0400
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+++ b/open.c 2017-03-27 13:10:05.300586883 -0400
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@@ -36,6 +36,10 @@
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#include <fcntl.h>
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+#ifndef O_TMPFILE
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+#define O_TMPFILE 020000000
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+#endif
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+
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#ifdef O_LARGEFILE
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# if O_LARGEFILE == 0 /* biarch platforms in 64-bit mode */
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# undef O_LARGEFILE
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@@ -115,6 +119,13 @@ tprint_open_modes(unsigned int flags)
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tprints(sprint_open_modes(flags) + sizeof("flags"));
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}
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+#ifdef O_TMPFILE
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+/* The kernel & C libraries often inline O_DIRECTORY. */
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+# define STRACE_O_TMPFILE (O_TMPFILE & ~O_DIRECTORY)
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+#else /* !O_TMPFILE */
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+# define STRACE_O_TMPFILE 0
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+#endif
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+
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static int
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decode_open(struct tcb *tcp, int offset)
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{
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@@ -122,7 +133,7 @@ decode_open(struct tcb *tcp, int offset)
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tprints(", ");
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/* flags */
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tprint_open_modes(tcp->u_arg[offset + 1]);
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- if (tcp->u_arg[offset + 1] & O_CREAT) {
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+ if (tcp->u_arg[offset + 1] & (O_CREAT | STRACE_O_TMPFILE)) {
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/* mode */
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tprintf(", %#lo", tcp->u_arg[offset + 2]);
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}
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diff -rup a/tests/open.c b/tests/open.c
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--- a/tests/open.c 2017-03-27 13:09:44.078819435 -0400
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+++ b/tests/open.c 2017-03-27 13:31:55.843649714 -0400
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@@ -59,6 +59,17 @@ main(void)
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" = %d %s (%m)\n", sample, fd, errno2name());
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}
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+#ifdef O_TMPFILE
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+# if O_TMPFILE == (O_TMPFILE & ~O_DIRECTORY)
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+# define STR_O_TMPFILE "O_TMPFILE"
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+# else
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+# define STR_O_TMPFILE "O_DIRECTORY|O_TMPFILE"
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+# endif
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+ fd = syscall(__NR_open, sample, O_WRONLY|O_TMPFILE, 0600);
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+ printf("open(\"%s\", O_WRONLY|%s, 0600) = %d %s (%m)\n",
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+ sample, STR_O_TMPFILE, fd, errno2name());
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+#endif /* O_TMPFILE */
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+
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puts("+++ exited with 0 +++");
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return 0;
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}
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