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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 17:44:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 17:44:55 +0000 |
commit | 5068d34c08f951a7ea6257d305a1627b09a95817 (patch) | |
tree | 08213e2be853396a3b07ce15dbe222644dcd9a89 /src/timer.hh | |
parent | Initial commit. (diff) | |
download | lnav-5068d34c08f951a7ea6257d305a1627b09a95817.tar.xz lnav-5068d34c08f951a7ea6257d305a1627b09a95817.zip |
Adding upstream version 0.11.1.upstream/0.11.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/timer.hh | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/timer.hh b/src/timer.hh new file mode 100644 index 0000000..9820f6d --- /dev/null +++ b/src/timer.hh @@ -0,0 +1,68 @@ +/** + * Copyright (c) 2015, Suresh Sundriyal + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * * Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef timer_hh +#define timer_hh + +#include <exception> + +#include <errno.h> +#include <signal.h> +#include <sys/time.h> +#include <sys/types.h> + +// Linux and BSD seem to name the function pointer to signal handler +// differently. Linux names it 'sighandler_t' and BSD names it 'sig_t'. Instead +// of depending on configure scripts to find out the type name, typedef it right +// here. +typedef void (*sighandler_t_)(int); + +namespace timer { +class error : public std::exception { +public: + error(int err); + int e_err; +}; + +class interrupt_timer { +public: + interrupt_timer(struct timeval, sighandler_t_); + int arm_timer(); + void disarm_timer(); + bool is_armed(); + ~interrupt_timer(); + +private: + sighandler_t_ new_handler; + struct sigaction old_handler; + struct itimerval new_val, old_val; + bool armed; +}; +} // namespace timer +#endif |