Differential D27037 Diff 79049 lib/libprocstat/libprocstat.c

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lib/libprocstat/libprocstat.c

Show First 20 Lines • Show All 454 Lines • ▼ Show 20 Lines	procstat_vm_map_reader(void *token, vm_map_entry_t addr, vm_map_entry_t dest)
return (kvm_read_all(kd, (unsigned long)addr, dest, sizeof(*dest)));		return (kvm_read_all(kd, (unsigned long)addr, dest, sizeof(*dest)));
}		}

static struct filestat_list *		static struct filestat_list *
procstat_getfiles_kvm(struct procstat procstat, struct kinfo_proc kp, int mmapped)		procstat_getfiles_kvm(struct procstat procstat, struct kinfo_proc kp, int mmapped)
{		{
struct file file;		struct file file;
struct filedesc filed;		struct filedesc filed;
		struct pathsdesc pathsd;
struct fdescenttbl *fdt;		struct fdescenttbl *fdt;
struct pwd pwd;		struct pwd pwd;
unsigned long pwd_addr;		unsigned long pwd_addr;
struct vm_map_entry vmentry;		struct vm_map_entry vmentry;
struct vm_object object;		struct vm_object object;
struct vmspace vmspace;		struct vmspace vmspace;
vm_map_entry_t entryp;		vm_map_entry_t entryp;
vm_object_t objp;		vm_object_t objp;
struct vnode *vp;		struct vnode *vp;
struct filestat *entry;		struct filestat *entry;
struct filestat_list *head;		struct filestat_list *head;
kvm_t *kd;		kvm_t *kd;
void *data;		void *data;
int fflags;		int fflags;
unsigned int i;		unsigned int i;
int prot, type;		int prot, type;
size_t fdt_size;		size_t fdt_size;
unsigned int nfiles;		unsigned int nfiles;
bool haspwd;		bool haspwd;

assert(procstat);		assert(procstat);
kd = procstat->kd;		kd = procstat->kd;
if (kd == NULL)		if (kd == NULL)
return (NULL);		return (NULL);
if (kp->ki_fd == NULL)		if (kp->ki_fd == NULL \|\| kp->ki_pd == NULL)
return (NULL);		return (NULL);
if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed,		if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &filed,
sizeof(filed))) {		sizeof(filed))) {
warnx("can't read filedesc at %p", (void *)kp->ki_fd);		warnx("can't read filedesc at %p", (void *)kp->ki_fd);
return (NULL);		return (NULL);
}		}
		if (!kvm_read_all(kd, (unsigned long)kp->ki_pd, &pathsd,
		sizeof(pathsd))) {
		warnx("can't read pathsdesc at %p", (void *)kp->ki_pd);
		return (NULL);
		}
haspwd = false;		haspwd = false;
pwd_addr = (unsigned long)(FILEDESC_KVM_LOAD_PWD(&filed));		pwd_addr = (unsigned long)(PATHSDESC_KVM_LOAD_PWD(&pathsd));
if (pwd_addr != 0) {		if (pwd_addr != 0) {
if (!kvm_read_all(kd, pwd_addr, &pwd, sizeof(pwd))) {		if (!kvm_read_all(kd, pwd_addr, &pwd, sizeof(pwd))) {
warnx("can't read fd_pwd at %p", (void *)pwd_addr);		warnx("can't read fd_pwd at %p", (void *)pwd_addr);
return (NULL);		return (NULL);
}		}
haspwd = true;		haspwd = true;
}		}

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{		{

free(groups);		free(groups);
}		}

static int		static int
procstat_getumask_kvm(kvm_t kd, struct kinfo_proc kp, unsigned short *maskp)		procstat_getumask_kvm(kvm_t kd, struct kinfo_proc kp, unsigned short *maskp)
{		{
struct filedesc fd;		struct pathsdesc pd;

assert(kd != NULL);		assert(kd != NULL);
assert(kp != NULL);		assert(kp != NULL);
if (kp->ki_fd == NULL)		if (kp->ki_pd == NULL)
return (-1);		return (-1);
if (!kvm_read_all(kd, (unsigned long)kp->ki_fd, &fd, sizeof(fd))) {		if (!kvm_read_all(kd, (unsigned long)kp->ki_pd, &pd, sizeof(pd))) {
warnx("can't read filedesc at %p for pid %d", kp->ki_fd,		warnx("can't read pathsdesc at %p for pid %d", kp->ki_pd,
kp->ki_pid);		kp->ki_pid);
return (-1);		return (-1);
}		}
*maskp = fd.fd_cmask;		*maskp = pd.pd_cmask;
return (0);		return (0);
}		}

static int		static int
procstat_getumask_sysctl(pid_t pid, unsigned short *maskp)		procstat_getumask_sysctl(pid_t pid, unsigned short *maskp)
{		{
int error;		int error;
int mib[4];		int mib[4];
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