Miscellany

fork()                                  = 15122
--- SIGCHLD (Child exited) @ 0 (0) ---
wait4(15122, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 15122
stat("/usr/bin/sandbox", {st_mode=S_IFREG|0755, st_size=22944, ...}) = 0
access("/usr/bin/sandbox", X_OK)        = 0
fork()                                  = 15123
--- SIGCHLD (Child exited) @ 0 (0) ---
close(5)                                = 0
open("/var/tmp/portage/sys-apps/hdparm-7.7/temp/build.log", O_WRONLY|O_CREAT|O_APPEND, 0666) = 5
fstat(5, {st_mode=S_IFREG|0664, st_size=76, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x35c87a796000
fstat(5, {st_mode=S_IFREG|0664, st_size=76, ...}) = 0
lseek(5, 76, SEEK_SET)                  = 76
fstat(5, {st_mode=S_IFREG|0664, st_size=76, ...}) = 0
dup(1)                                  = 6
fcntl(6, F_GETFL)                       = 0x8002 (flags O_RDWR|O_LARGEFILE)
fstat(6, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x35c87a797000
lseek(6, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
fstat(6, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
fcntl(3, F_GETFL)                       = 0x8002 (flags O_RDWR|O_LARGEFILE)
fstat(3, {st_mode=S_IFCHR|0666, st_rdev=makedev(5, 2), ...}) = 0
ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x35c87a798000
lseek(3, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
fstat(3, {st_mode=S_IFCHR|0666, st_rdev=makedev(5, 2), ...}) = 0
fcntl(3, F_GETFL)                       = 0x8002 (flags O_RDWR|O_LARGEFILE)
fcntl(3, F_SETFL, O_RDWR|O_NONBLOCK|O_LARGEFILE) = 0
select(4, [3], [], [], NULL)            = 1 (in [3])
read(3, "[Errno 13] Permission denied:\r\n "..., 65536) = 92
read(3, 0xee08eab769c, 61440)           = -1 EIO (Input/output error)
write(6, "[Errno 13] Permission denied:\r\n", 31[Errno 13] Permission denied:
) = 31
write(6, "   /usr/bin/sandbox /usr/lib64/p"..., 61   /usr/bin/sandbox /usr/lib64/portage/bin/ebuild.sh unpack
) = 61
write(5, "[Errno 13] Permission denied:\r\n "..., 92) = 92
select(4, [3], [], [], NULL)            = 1 (in [3])
read(3, 0xee08eab7640, 65536)           = -1 EIO (Input/output error)
close(5)                                = 0
munmap(0x35c87a796000, 4096)            = 0
close(6)                                = 0
munmap(0x35c87a797000, 4096)            = 0
close(3)                                = 0
munmap(0x35c87a798000, 4096)            = 0
wait4(15123, [{WIFEXITED(s) && WEXITSTATUS(s) == 1}], 0, NULL) = 15123
stat("/var/tmp/portage/sys-apps/hdparm-7.7/temp/logging", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0
open("/var/tmp/portage/sys-apps/hdparm-7.7/temp/logging", O_RDONLY|O_NONBLOCK|O_DIRECTORY) = 3
fstat(3, {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0
fcntl(3, F_SETFD, FD_CLOEXEC)           = 0
getdents64(3, /* 2 entries */, 4096)    = 48
getdents64(3, /* 0 entries */, 4096)    = 0
close(3)                                = 0
stat("/var/tmp/portage/sys-apps/hdparm-7.7/temp/build.log", {st_mode=S_IFREG|0664, st_size=168, ...}) = 0
stat("/var/tmp/portage/sys-apps/.hdparm-7.7.portage_lockfile", {st_mode=S_IFREG|0660, st_size=0, ...}) = 0
fcntl(4, F_SETLKW, {type=F_UNLCK, whence=SEEK_SET, start=0, len=0}) = 0
fcntl(4, F_SETLK, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}) = 0
fstat(4, {st_mode=S_IFREG|0660, st_size=0, ...}) = 0
unlink("/var/tmp/portage/sys-apps/.hdparm-7.7.portage_lockfile") = 0
fcntl(4, F_SETLKW, {type=F_UNLCK, whence=SEEK_SET, start=0, len=0}) = 0
close(4)                                = 0
stat("/var/tmp/portage", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0
stat("/var/tmp/portage/.sys-apps.portage_lockfile", 0x7af1c2d13e00) = -1 ENOE