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Added usage (respectively more detailed usage) messages for "sem",

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"sems", "port", and "ports" debugger commands.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23586 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2008-01-17 14:40:07 +00:00
parent 224aee3ffc
commit ce637fda24
2 changed files with 38 additions and 6 deletions
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19
src/system/kernel/port.cpp
View File

@ -136,7 +136,7 @@ dump_port_info(int argc, char **argv)
int i;
if (argc < 2) {
kprintf("usage: port [id|name|sem|address]\n");
print_debugger_command_usage(argv[0]);
return 0;
}
@ -331,8 +331,21 @@ port_init(kernel_args *args)
sPorts[i].id = -1;
// add debugger commands
add_debugger_command("ports", &dump_port_list, "Dump a list of all active ports");
add_debugger_command("port", &dump_port_info, "Dump info about a particular port");
add_debugger_command_etc("ports", &dump_port_list,
"Dump a list of all active ports (for team, with name, etc.)",
"[ ([ \"team\" | \"owner\" ] <team>) | (\"name\" <name>) ]\n"
"Prints a list of all active ports meeting the given\n"
"requirement. If no argument is given, all ports are listed.\n"
" <team> - The team owning the ports.\n"
" <name> - Part of the name of the ports.\n", 0);
add_debugger_command_etc("port", &dump_port_info,
"Dump info about a particular port",
"([ \"address\" ] <address>) | ([ \"name\" ] <name>) "
"| (\"sem\" <sem>)\n"
"Prints info about the specified port.\n"
" <address> - Pointer to the port structure.\n"
" <name> - Name of the port.\n"
" <sem> - ID of the port's read or write semaphore.\n", 0);
sPortsActive = true;
return B_OK;

25
src/system/kernel/sem.cpp
View File

@ -187,7 +187,7 @@ dump_sem_info(int argc, char **argv)
int32 i;
if (argc < 2) {
kprintf("sem: not enough arguments\n");
print_debugger_command_usage(argv[0]);
return 0;
}
@ -370,8 +370,27 @@ sem_init(kernel_args *args)
}
// add debugger commands
add_debugger_command("sems", &dump_sem_list, "Dump a list of all active semaphores");
add_debugger_command("sem", &dump_sem_info, "Dump info about a particular semaphore");
add_debugger_command_etc("sems", &dump_sem_list,
"Dump a list of all active semaphores (for team, with name, etc.)",
"[ ([ \"team\" | \"owner\" ] <team>) | (\"name\" <name>) ]"
#ifdef DEBUG_LAST_ACQUIRER
" | (\"last\" <last acquirer>)"
#endif
"\n"
"Prints a list of all active semaphores meeting the given\n"
"requirement. If no argument is given, all sems are listed.\n"
" <team> - The team owning the semaphores.\n"
" <name> - Part of the name of the semaphores.\n"
#ifdef DEBUG_LAST_ACQUIRER
" <last acquirer> - The thread that last acquired the semaphore.\n"
#endif
, 0);
add_debugger_command_etc("sem", &dump_sem_info,
"Dump info about a particular semaphore",
"<sem>\n"
"Prints info about the specified semaphore.\n"
" <sem> - pointer to the semaphore structure, semaphore ID, or name\n"
" of the semaphore to print info for.\n", 0);
TRACE(("sem_init: exit\n"));