| #!/bin/sh |
| |
| # Check how pread/pwrite and preadv/pwritev syscalls are traced. |
| |
| . "${srcdir=.}/init.sh" |
| |
| check_prog grep |
| check_prog rm |
| |
| ./uio || |
| fail_ 'uio failed' |
| |
| args="-edesc ./uio" |
| $STRACE $args > $LOG 2>&1 || { |
| cat $LOG |
| fail_ "$STRACE $args failed" |
| } |
| |
| grep_log() |
| { |
| local syscall="$1"; shift |
| |
| LC_ALL=C grep -E -x "$syscall$*" $LOG > /dev/null || { |
| cat $LOG |
| fail_ "$STRACE $args failed to trace \"$syscall\" properly" |
| } |
| } |
| |
| grep_log 'pread(64)?' '\(3, "\\0\\0\\0\\0", 4, 1004211379570065135\) += 4' |
| grep_log 'preadv' '\(3, \[{"\\0\\0\\0\\0", 4}\], 1, 1004211379570065135\) += 4' |
| grep_log 'pwrite(64)?' '\(3, "\\0\\0\\0\\0", 4, 1004211379570065135\) += 4' |
| grep_log 'pwritev' '\(3, \[{"\\0\\0\\0\\0", 4}\], 1, 1004211379570065135\) += 4' |
| |
| exit 0 |
