diff options
Diffstat (limited to 'lib/libprocstat/libprocstat.c')
-rw-r--r-- | lib/libprocstat/libprocstat.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/lib/libprocstat/libprocstat.c b/lib/libprocstat/libprocstat.c index facce11..167d91a 100644 --- a/lib/libprocstat/libprocstat.c +++ b/lib/libprocstat/libprocstat.c @@ -54,6 +54,7 @@ __FBSDID("$FreeBSD$"); #define _WANT_FILE #include <sys/file.h> #include <sys/conf.h> +#include <sys/mman.h> #define _KERNEL #include <sys/mount.h> #include <sys/pipe.h> @@ -114,6 +115,10 @@ static int procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts, char *errbuf); static int procstat_get_pts_info_kvm(kvm_t *kd, struct filestat *fst, struct ptsstat *pts, char *errbuf); +static int procstat_get_shm_info_sysctl(struct filestat *fst, + struct shmstat *shm, char *errbuf); +static int procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst, + struct shmstat *shm, char *errbuf); static int procstat_get_socket_info_sysctl(struct filestat *fst, struct sockstat *sock, char *errbuf); static int procstat_get_socket_info_kvm(kvm_t *kd, struct filestat *fst, @@ -469,6 +474,10 @@ procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmap data = file.f_data; break; #endif + case DTYPE_SHM: + type = PS_FST_TYPE_SHM; + data = file.f_data; + break; default: continue; } @@ -849,6 +858,69 @@ procstat_get_pts_info_sysctl(struct filestat *fst, struct ptsstat *pts, } int +procstat_get_shm_info(struct procstat *procstat, struct filestat *fst, + struct shmstat *shm, char *errbuf) +{ + + assert(shm); + if (procstat->type == PROCSTAT_KVM) { + return (procstat_get_shm_info_kvm(procstat->kd, fst, shm, + errbuf)); + } else if (procstat->type == PROCSTAT_SYSCTL) { + return (procstat_get_shm_info_sysctl(fst, shm, errbuf)); + } else { + warnx("unknown access method: %d", procstat->type); + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + return (1); + } +} + +static int +procstat_get_shm_info_kvm(kvm_t *kd, struct filestat *fst, + struct shmstat *shm, char *errbuf) +{ + struct shmfd shmfd; + void *shmfdp; + + assert(kd); + assert(shm); + assert(fst); + bzero(shm, sizeof(*shm)); + shmfdp = fst->fs_typedep; + if (shmfdp == NULL) + goto fail; + if (!kvm_read_all(kd, (unsigned long)shmfdp, &shmfd, + sizeof(struct shmfd))) { + warnx("can't read shmfd at %p", (void *)shmfdp); + goto fail; + } + shm->mode = S_IFREG | shmfd.shm_mode; + shm->size = shmfd.shm_size; + return (0); + +fail: + snprintf(errbuf, _POSIX2_LINE_MAX, "error"); + return (1); +} + +static int +procstat_get_shm_info_sysctl(struct filestat *fst, struct shmstat *shm, + char *errbuf __unused) +{ + struct kinfo_file *kif; + + assert(shm); + assert(fst); + bzero(shm, sizeof(*shm)); + kif = fst->fs_typedep; + if (kif == NULL) + return (0); + shm->size = kif->kf_un.kf_file.kf_file_size; + shm->mode = kif->kf_un.kf_file.kf_file_mode; + return (0); +} + +int procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst, struct vnstat *vn, char *errbuf) { |