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authorDaniel J Walsh <dwalsh@redhat.com>2021-03-26 11:23:46 -0400
committerDaniel J Walsh <dwalsh@redhat.com>2021-03-26 13:57:27 -0400
commitfc197fb4f5c0e0d90da39fe672bce7d145272415 (patch)
tree56913b09296f1116d7d22d1bb938eba55d14c700 /vendor/github.com/prometheus/procfs/proc_limits.go
parentfa6ba9b00fb5f77ead67b624be510ec50b2f4f5e (diff)
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[NO TESTS NEEDED] Vendor in containers/buildah v1.20.0
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Diffstat (limited to 'vendor/github.com/prometheus/procfs/proc_limits.go')
-rw-r--r--vendor/github.com/prometheus/procfs/proc_limits.go87
1 files changed, 45 insertions, 42 deletions
diff --git a/vendor/github.com/prometheus/procfs/proc_limits.go b/vendor/github.com/prometheus/procfs/proc_limits.go
index 91ee24df8..dd20f198a 100644
--- a/vendor/github.com/prometheus/procfs/proc_limits.go
+++ b/vendor/github.com/prometheus/procfs/proc_limits.go
@@ -26,55 +26,55 @@ import (
// http://man7.org/linux/man-pages/man2/getrlimit.2.html.
type ProcLimits struct {
// CPU time limit in seconds.
- CPUTime int64
+ CPUTime uint64
// Maximum size of files that the process may create.
- FileSize int64
+ FileSize uint64
// Maximum size of the process's data segment (initialized data,
// uninitialized data, and heap).
- DataSize int64
+ DataSize uint64
// Maximum size of the process stack in bytes.
- StackSize int64
+ StackSize uint64
// Maximum size of a core file.
- CoreFileSize int64
+ CoreFileSize uint64
// Limit of the process's resident set in pages.
- ResidentSet int64
+ ResidentSet uint64
// Maximum number of processes that can be created for the real user ID of
// the calling process.
- Processes int64
+ Processes uint64
// Value one greater than the maximum file descriptor number that can be
// opened by this process.
- OpenFiles int64
+ OpenFiles uint64
// Maximum number of bytes of memory that may be locked into RAM.
- LockedMemory int64
+ LockedMemory uint64
// Maximum size of the process's virtual memory address space in bytes.
- AddressSpace int64
+ AddressSpace uint64
// Limit on the combined number of flock(2) locks and fcntl(2) leases that
// this process may establish.
- FileLocks int64
+ FileLocks uint64
// Limit of signals that may be queued for the real user ID of the calling
// process.
- PendingSignals int64
+ PendingSignals uint64
// Limit on the number of bytes that can be allocated for POSIX message
// queues for the real user ID of the calling process.
- MsqqueueSize int64
+ MsqqueueSize uint64
// Limit of the nice priority set using setpriority(2) or nice(2).
- NicePriority int64
+ NicePriority uint64
// Limit of the real-time priority set using sched_setscheduler(2) or
// sched_setparam(2).
- RealtimePriority int64
+ RealtimePriority uint64
// Limit (in microseconds) on the amount of CPU time that a process
// scheduled under a real-time scheduling policy may consume without making
// a blocking system call.
- RealtimeTimeout int64
+ RealtimeTimeout uint64
}
const (
- limitsFields = 3
+ limitsFields = 4
limitsUnlimited = "unlimited"
)
var (
- limitsDelimiter = regexp.MustCompile(" +")
+ limitsMatch = regexp.MustCompile(`(Max \w+\s{0,1}?\w*\s{0,1}\w*)\s{2,}(\w+)\s+(\w+)`)
)
// NewLimits returns the current soft limits of the process.
@@ -96,46 +96,49 @@ func (p Proc) Limits() (ProcLimits, error) {
l = ProcLimits{}
s = bufio.NewScanner(f)
)
+
+ s.Scan() // Skip limits header
+
for s.Scan() {
- fields := limitsDelimiter.Split(s.Text(), limitsFields)
+ //fields := limitsMatch.Split(s.Text(), limitsFields)
+ fields := limitsMatch.FindStringSubmatch(s.Text())
if len(fields) != limitsFields {
- return ProcLimits{}, fmt.Errorf(
- "couldn't parse %s line %s", f.Name(), s.Text())
+ return ProcLimits{}, fmt.Errorf("couldn't parse %q line %q", f.Name(), s.Text())
}
- switch fields[0] {
+ switch fields[1] {
case "Max cpu time":
- l.CPUTime, err = parseInt(fields[1])
+ l.CPUTime, err = parseUint(fields[2])
case "Max file size":
- l.FileSize, err = parseInt(fields[1])
+ l.FileSize, err = parseUint(fields[2])
case "Max data size":
- l.DataSize, err = parseInt(fields[1])
+ l.DataSize, err = parseUint(fields[2])
case "Max stack size":
- l.StackSize, err = parseInt(fields[1])
+ l.StackSize, err = parseUint(fields[2])
case "Max core file size":
- l.CoreFileSize, err = parseInt(fields[1])
+ l.CoreFileSize, err = parseUint(fields[2])
case "Max resident set":
- l.ResidentSet, err = parseInt(fields[1])
+ l.ResidentSet, err = parseUint(fields[2])
case "Max processes":
- l.Processes, err = parseInt(fields[1])
+ l.Processes, err = parseUint(fields[2])
case "Max open files":
- l.OpenFiles, err = parseInt(fields[1])
+ l.OpenFiles, err = parseUint(fields[2])
case "Max locked memory":
- l.LockedMemory, err = parseInt(fields[1])
+ l.LockedMemory, err = parseUint(fields[2])
case "Max address space":
- l.AddressSpace, err = parseInt(fields[1])
+ l.AddressSpace, err = parseUint(fields[2])
case "Max file locks":
- l.FileLocks, err = parseInt(fields[1])
+ l.FileLocks, err = parseUint(fields[2])
case "Max pending signals":
- l.PendingSignals, err = parseInt(fields[1])
+ l.PendingSignals, err = parseUint(fields[2])
case "Max msgqueue size":
- l.MsqqueueSize, err = parseInt(fields[1])
+ l.MsqqueueSize, err = parseUint(fields[2])
case "Max nice priority":
- l.NicePriority, err = parseInt(fields[1])
+ l.NicePriority, err = parseUint(fields[2])
case "Max realtime priority":
- l.RealtimePriority, err = parseInt(fields[1])
+ l.RealtimePriority, err = parseUint(fields[2])
case "Max realtime timeout":
- l.RealtimeTimeout, err = parseInt(fields[1])
+ l.RealtimeTimeout, err = parseUint(fields[2])
}
if err != nil {
return ProcLimits{}, err
@@ -145,13 +148,13 @@ func (p Proc) Limits() (ProcLimits, error) {
return l, s.Err()
}
-func parseInt(s string) (int64, error) {
+func parseUint(s string) (uint64, error) {
if s == limitsUnlimited {
- return -1, nil
+ return 18446744073709551615, nil
}
- i, err := strconv.ParseInt(s, 10, 64)
+ i, err := strconv.ParseUint(s, 10, 64)
if err != nil {
- return 0, fmt.Errorf("couldn't parse value %s: %s", s, err)
+ return 0, fmt.Errorf("couldn't parse value %q: %w", s, err)
}
return i, nil
}