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lightning/common/daemon.h

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common/daemon: common routines for all daemons. In particular, the main daemon and subdaemons share the backtrace code, with hooks for logging. The daemon hook inserts the io_poll override, which means we no longer need io_debug.[ch]. Though most daemons don't need it, they still link against ccan/io, so it's harmess (suggested by @ZmnSCPxj). This was tested manually to make sure we get backtraces still. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
7 years ago
#ifndef LIGHTNING_COMMON_DAEMON_H
#define LIGHTNING_COMMON_DAEMON_H
#include "config.h"
lightningd: minor cleanups Code changes: 1. Expose daemon_poll() so lightningd can call it directly, which avoids us having store a global and document it. 2. Remove the (undocumented, unused, forgotten) --rpc-file="" option to disable JSON RPC. 3. Move the ickiness of finding the executable path into subd.c, so it doesn't distract from lightningd.c overview. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
6 years ago
#include <poll.h>
common/daemon: common routines for all daemons. In particular, the main daemon and subdaemons share the backtrace code, with hooks for logging. The daemon hook inserts the io_poll override, which means we no longer need io_debug.[ch]. Though most daemons don&#39;t need it, they still link against ccan/io, so it&#39;s harmess (suggested by @ZmnSCPxj). This was tested manually to make sure we get backtraces still. Signed-off-by: Rusty Russell &lt;rusty@rustcorp.com.au&gt;
7 years ago
/* Common setup for all daemons */
void daemon_setup(const char *argv0,
void (*backtrace_print)(const char *fmt, ...),
void (*backtrace_exit)(void));
lightningd: minor cleanups Code changes: 1. Expose daemon_poll() so lightningd can call it directly, which avoids us having store a global and document it. 2. Remove the (undocumented, unused, forgotten) --rpc-file=&#34;&#34; option to disable JSON RPC. 3. Move the ickiness of finding the executable path into subd.c, so it doesn&#39;t distract from lightningd.c overview. Signed-off-by: Rusty Russell &lt;rusty@rustcorp.com.au&gt;
6 years ago
/* Exposed for lightningd's use. */
int daemon_poll(struct pollfd *fds, nfds_t nfds, int timeout);
pytest: backtrace on internal errors in subdaemons. A backtrace which makes it much easier to figure out what&#39;s happening. Signed-off-by: Rusty Russell &lt;rusty@rustcorp.com.au&gt;
6 years ago
/* Print a backtrace to stderr, and via backtrace_print */
void send_backtrace(const char *why);
common/daemon: common routines for all daemons. In particular, the main daemon and subdaemons share the backtrace code, with hooks for logging. The daemon hook inserts the io_poll override, which means we no longer need io_debug.[ch]. Though most daemons don&#39;t need it, they still link against ccan/io, so it&#39;s harmess (suggested by @ZmnSCPxj). This was tested manually to make sure we get backtraces still. Signed-off-by: Rusty Russell &lt;rusty@rustcorp.com.au&gt;
7 years ago
/* Shutdown for a valgrind-clean exit (frees everything) */
void daemon_shutdown(void);
plugins: allow --dev-debugger=&lt;pluginname&gt;. This currently just invokes GDB, but we could generalize it (though pdb doesn&#39;t allow attaching to a running process, other python debuggers seem to). Signed-off-by: Rusty Russell &lt;rusty@rustcorp.com.au&gt;
6 years ago
/* Kick in a debugger if they set --debugger */
plugin/libplugin: API for C plugins. Doesn&#39;t do logging yet. Signed-off-by: Rusty Russell &lt;rusty@rustcorp.com.au&gt;
6 years ago
void daemon_maybe_debug(char *argv[]);
plugins: allow --dev-debugger=&lt;pluginname&gt;. This currently just invokes GDB, but we could generalize it (though pdb doesn&#39;t allow attaching to a running process, other python debuggers seem to). Signed-off-by: Rusty Russell &lt;rusty@rustcorp.com.au&gt;
6 years ago
lightningd: fix backtraces in memleak detection. We were using a *different* backtrace_state var, which was always NULL. Signed-off-by: Rusty Russell &lt;rusty@rustcorp.com.au&gt;
6 years ago
struct backtrace_state *backtrace_state;
common/daemon: common routines for all daemons. In particular, the main daemon and subdaemons share the backtrace code, with hooks for logging. The daemon hook inserts the io_poll override, which means we no longer need io_debug.[ch]. Though most daemons don&#39;t need it, they still link against ccan/io, so it&#39;s harmess (suggested by @ZmnSCPxj). This was tested manually to make sure we get backtraces still. Signed-off-by: Rusty Russell &lt;rusty@rustcorp.com.au&gt;
7 years ago
#endif /* LIGHTNING_COMMON_DAEMON_H */