* tests/readahead.c: New file. * tests/readahead.test: New test. * tests/.gitignore: Add readahead. * tests/Makefile.am (check_PROGRAMS): Likewise. (DECODER_TESTS): Add readahead.test. --- Simple test for simple decoder.
tests/.gitignore | 1 + tests/Makefile.am | 2 ++ tests/readahead.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++ tests/readahead.test | 6 +++++ 4 files changed, 72 insertions(+) create mode 100644 tests/readahead.c create mode 100755 tests/readahead.test diff --git a/tests/.gitignore b/tests/.gitignore index 5c5d092..8c41bea 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -185,6 +185,7 @@ pselect6 ptrace pwritev read-write +readahead readdir readlink readlinkat diff --git a/tests/Makefile.am b/tests/Makefile.am index b879bf4..d7421fc 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -241,6 +241,7 @@ check_PROGRAMS = \ ptrace \ pwritev \ read-write \ + readahead \ readdir \ readlink \ readlinkat \ @@ -568,6 +569,7 @@ DECODER_TESTS = \ ptrace.test \ pwritev.test \ read-write.test \ + readahead.test \ readdir.test \ readlink.test \ readlinkat.test \ diff --git a/tests/readahead.c b/tests/readahead.c new file mode 100644 index 0000000..307dbff --- /dev/null +++ b/tests/readahead.c @@ -0,0 +1,63 @@ +#include "tests.h" +#include <asm/unistd.h> + +#ifdef __NR_readahead + +# include <fcntl.h> +# include <stdio.h> + +static const int fds[] = { + -0x80000000, + -100, + -1, + 0, + 1, + 2, + 0x7fffffff, +}; + +static const off64_t offsets[] = { + -0x8000000000000000LL, + -0x5060708090a0b0c0LL, + -1LL, + 0, + 1, + 0xbadfaced, + 0x7fffffffffffffffLL, +}; + +static const unsigned long counts[] = { + 0UL, + 0xdeadca75, + (unsigned long)0xface1e55beeff00dULL, + (unsigned long)0xffffffffffffffffULL, +}; + +int +main(void) +{ + unsigned i; + unsigned j; + unsigned k; + ssize_t rc; + + for (i = 0; i < ARRAY_SIZE(fds); i++) + for (j = 0; j < ARRAY_SIZE(offsets); j++) + for (k = 0; k < ARRAY_SIZE(counts); k++) { + rc = readahead(fds[i], offsets[j], counts[k]); + + printf("readahead(%d, %lld, %lu) = " + "%ld %s (%m)\n", fds[i], + (long long)offsets[j], counts[k], rc, + errno2name()); + } + + puts("+++ exited with 0 +++"); + return 0; +} + +#else + +SKIP_MAIN_UNDEFINED("__NR_readahead") + +#endif diff --git a/tests/readahead.test b/tests/readahead.test new file mode 100755 index 0000000..397c690 --- /dev/null +++ b/tests/readahead.test @@ -0,0 +1,6 @@ +#!/bin/sh + +# Check readahead syscall decoding. + +. "${srcdir=.}/init.sh" +run_strace_match_diff -a1 -- 1.7.10.4 ------------------------------------------------------------------------------ _______________________________________________ Strace-devel mailing list Strace-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/strace-devel