libproc/dist/proc_util.c

45 proc_clearflags(struct proc_handle *phdl, int mask)
48 	if (phdl == NULL)
51 	phdl->flags &= ~mask;
60 proc_continue(struct proc_handle *phdl)
64 	if (phdl == NULL)
67 	if (phdl->status == PS_STOP && WSTOPSIG(phdl->wstat) != SIGTRAP)
68 		pending = WSTOPSIG(phdl->wstat);
69 	if (ptrace(PT_CONTINUE, phdl->pid, (void *)(uintptr_t)1, pending) != 0)
72 	phdl->status = PS_RUN;
78 proc_detach(struct proc_handle *phdl, int reason)
82 	if (phdl == NULL)
85 		ptrace(PT_DETACH, phdl->pid, (void *)(uintptr_t)1, 0);
86 		kill(phdl->pid, SIGKILL);
89 	if (ptrace(PT_DETACH, phdl->pid, (void *)(uintptr_t)1, 0) == 0)
101 	if (kill(phdl->pid, SIGSTOP) == -1)
104 	waitpid(phdl->pid, &status, WUNTRACED);
106 	if (ptrace(PT_DETACH, phdl->pid, (void *)(uintptr_t)1, 0) == -1)
109 	if (kill(phdl->pid, SIGCONT) == -1)
116 proc_getflags(struct proc_handle *phdl)
119 	if (phdl == NULL)
122 	return(phdl->flags);
126 proc_setflags(struct proc_handle *phdl, int mask)
129 	if (phdl == NULL)
132 	phdl->flags |= mask;
138 proc_state(struct proc_handle *phdl)
141 	if (phdl == NULL)
144 	return (phdl->status);
148 proc_getmodel(struct proc_handle *phdl)
151 	if (phdl == NULL)
154 	return (phdl->model);
158 proc_getpid(struct proc_handle *phdl)
161 	if (phdl == NULL)
164 	return (phdl->pid);
168 proc_wstatus(struct proc_handle *phdl)
172 	if (phdl == NULL)
174 	if (waitpid(phdl->pid, &status, WUNTRACED) < 0) {
180 		phdl->status = PS_STOP;
182 		phdl->status = PS_UNDEAD;
183 	phdl->wstat = status;
185 	return (phdl->status);
189 proc_getwstat(struct proc_handle *phdl)
192 	if (phdl == NULL)
195 	return (phdl->wstat);
208 proc_read(struct proc_handle *phdl, void *buf, size_t size, size_t addr)
212 	if (phdl == NULL)
219 	if (ptrace(PT_IO, phdl->pid, (void *)&piod, 0) < 0)
225 proc_getlwpstatus(struct proc_handle *phdl)
227 	lwpstatus_t *psp = &phdl->lwps;
233 	if (ptrace(PT_GET_SIGINFO, phdl->pid, (void *)&si,
257 	if (phdl == NULL)
261 	if (ptrace(PT_LWPINFO, phdl->pid, (void *)&lwpinfo,