29 lines
1.1 KiB
C
29 lines
1.1 KiB
C
#include <limits.h>
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#include <errno.h>
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#define ERRSTRING strerror (errno)
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#define COMMAND_SIZE (PIPE_BUF - 4)
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#define COMMAND_TEST 0 /* No wait, signal */
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#define COMMAND_NEED 1 /* Wait, signal */
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#define COMMAND_ROLLBACK 2 /* Wait, signal */
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#define COMMAND_DUMP_LIST 3 /* No wait, no signal */
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#define COMMAND_PROVIDE 4 /* Wait, signal */
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#define SIG_PRESENT SIGUSR1 /* Service is available */
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#define SIG_STOPPED SIGUSR1 /* Service was stopped OK */
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#define SIG_NOT_PRESENT SIGUSR2 /* Not present, but that's OK */
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#define SIG_FAILED SIGPOLL /* Startup failed */
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#define SIG_NOT_STOPPED SIGPOLL /* Failed to stop */
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#define SIG_NOT_CHILD SIGPOLL /* Not a child of init */
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struct command_struct /* Must always be COMMAND_SIZE */
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{
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signed int command;
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pid_t pid;
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pid_t ppid;
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char name[1];
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};
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