Comment # 5
on bug 12582
from Gerald Combs
If I copy the "open" command to /tmp (so as to avoid System Integrity
Protection) and run
sudo dtruss -s /tmp/open run/Wireshark.app
It looks like "open" uses Launch Services to open the application bundle
instead of simply forking+execing Wireshark.app/Contents/MacOS/Wireshark:
workq_kernreturn(0x20, 0x0, 0x1) = 0 0
libsystem_kernel.dylib`__workq_kernreturn+0xa
libdispatch.dylib`_dispatch_queue_wakeup_global_slow+0x3c
libdispatch.dylib`_dispatch_queue_wakeup_with_qos_slow+0x7e
libxpc.dylib`xpc_connection_resume+0x98
SharedFileList`-[SFLListManager _connection]+0x1d8
SharedFileList`__37-[SFLListManager
listWithIdentifier:]_block_invoke+0x175
libdispatch.dylib`_dispatch_client_callout+0x8
libdispatch.dylib`_dispatch_barrier_sync_f_invoke+0x4a
SharedFileList`-[SFLListManager listWithIdentifier:]+0x108
SharedFileList`LSSharedFileListCreate+0xf7
LaunchServices`_LSGetRecentItemsSharedList(short, unsigned
int**)+0x57
LaunchServices`_LSGetRecentItemCount+0x19
LaunchServices`_LSOpenItemsWithHandler_CFDictionaryApplier(void
const*, void const*, void*)+0x1748
CoreFoundation`__CFDictionaryApplyFunction_block_invoke+0x16
CoreFoundation`CFBasicHashApply+0x80
CoreFoundation`CFDictionaryApplyFunction+0xba
LaunchServices`_LSOpenStuffCallLocal+0x163c
LaunchServices`_LSOpenStuff+0x7e
LaunchServices`_LSOpenURLsWithRole_Common(__CFArray const*,
unsigned int, AEKeyDesc const*, LSApplicationParameters_V1 const*,
ProcessSerialNumber*, long, __CFURL const**)+0x183
LaunchServices`LSOpenURLsWithRole+0x20
It would be nice to know what LSOpenURLsWithRole does that fork+exec doesn't.
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